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145232240232 = 233113130740973
BaseRepresentation
bin1000011101000010000…
…1000001111001101000
3111212212111002020000110
42013100201001321220
54334413423141412
6150415130534320
713330663450002
oct2072041017150
9455774066013
10145232240232
11566578a4722
1224191b973a0
1310906885731
14705a4a5372
153ba024ed3c
hex21d0841e68

145232240232 has 64 divisors (see below), whose sum is σ = 366582905280. Its totient is φ = 47944451072.

The previous prime is 145232240227. The next prime is 145232240243. The reversal of 145232240232 is 232042232541.

It is a self number, because there is not a number n which added to its sum of digits gives 145232240232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3524098 + ... + 3565070.

It is an arithmetic number, because the mean of its divisors is an integer number (5727857895).

Almost surely, 2145232240232 is an apocalyptic number.

145232240232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145232240232 is an abundant number, since it is smaller than the sum of its proper divisors (221350665048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145232240232 is a wasteful number, since it uses less digits than its factorization.

145232240232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42402 (or 42398 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 145232240232 its reverse (232042232541), we get a palindrome (377274472773).

The spelling of 145232240232 in words is "one hundred forty-five billion, two hundred thirty-two million, two hundred forty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 113 226 339 452 678 904 1307 1356 2614 2712 3921 5228 7842 10456 15684 31368 40973 81946 122919 147691 163892 245838 295382 327784 443073 491676 590764 886146 983352 1181528 1772292 3544584 4629949 9259898 13889847 18519796 27779694 37039592 53551711 55559388 107103422 111118776 160655133 214206844 321310266 428413688 642620532 1285241064 6051343343 12102686686 18154030029 24205373372 36308060058 48410746744 72616120116 145232240232