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145445125330 = 2514544512533
BaseRepresentation
bin1000011101110100110…
…1000111110011010010
3111220102022122220110201
42013131031013303102
54340332423002310
6150452213445414
713336160111161
oct2073515076322
9456368586421
10145445125330
1156756a8841a
122423134086a
131093ba0184b
14707a87d3d8
153bb3ca1e3a
hex21dd347cd2

145445125330 has 8 divisors (see below), whose sum is σ = 261801225612. Its totient is φ = 58178050128.

The previous prime is 145445125327. The next prime is 145445125351. The reversal of 145445125330 is 33521544541.

It can be written as a sum of positive squares in 2 ways, for example, as 127635422121 + 17809703209 = 357261^2 + 133453^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 145445125330.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7272256257 + ... + 7272256276.

Almost surely, 2145445125330 is an apocalyptic number.

145445125330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145445125330 is a deficient number, since it is larger than the sum of its proper divisors (116356100282).

145445125330 is a wasteful number, since it uses less digits than its factorization.

145445125330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14544512540.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 145445125330 its reverse (33521544541), we get a palindrome (178966669871).

The spelling of 145445125330 in words is "one hundred forty-five billion, four hundred forty-five million, one hundred twenty-five thousand, three hundred thirty".

Divisors: 1 2 5 10 14544512533 29089025066 72722562665 145445125330