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145346120346 = 2373103685679
BaseRepresentation
bin1000011101011101001…
…1011100101010011010
3111220011102100221011110
42013113103130222122
54340132101322341
6150434315441150
713333545432000
oct2072723345232
9456142327143
10145346120346
1156706106519
12242041561b6
1310924348c0b
14706b66aa70
153baa247216
hex21d74dca9a

145346120346 has 64 divisors (see below), whose sum is σ = 342291456000. Its totient is φ = 41124223728.

The previous prime is 145346120341. The next prime is 145346120347. The reversal of 145346120346 is 643021643541.

It is a super-2 number, since 2×1453461203462 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145346120341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130866 + ... + 554813.

It is an arithmetic number, because the mean of its divisors is an integer number (5348304000).

Almost surely, 2145346120346 is an apocalyptic number.

145346120346 is an abundant number, since it is smaller than the sum of its proper divisors (196945335654).

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

145346120346 is a wasteful number, since it uses less digits than its factorization.

145346120346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685808 (or 685794 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 145346120346 its reverse (643021643541), we get a palindrome (788367763887).

The spelling of 145346120346 in words is "one hundred forty-five billion, three hundred forty-six million, one hundred twenty thousand, three hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 49 98 103 147 206 294 309 343 618 686 721 1029 1442 2058 2163 4326 5047 10094 15141 30282 35329 70658 105987 211974 685679 1371358 2057037 4114074 4799753 9599506 14399259 28798518 33598271 67196542 70624937 100794813 141249874 201589626 211874811 235187897 423749622 470375794 494374559 705563691 988749118 1411127382 1483123677 2966247354 3460621913 6921243826 10381865739 20763731478 24224353391 48448706782 72673060173 145346120346