145165072600 has 48 divisors (see below), whose sum is σ = 337573818000. Its totient is φ = 58054842240.

The previous prime is 145165072597. The next prime is 145165072643. The reversal of 145165072600 is 6270561541.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 145165072600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1012582 + ... + 1147018.

It is an arithmetic number, because the mean of its divisors is an integer number (7032787875).

Almost surely, 2^145165072600 is an apocalyptic number.

145165072600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145165072600 is an abundant number, since it is smaller than the sum of its proper divisors (192408745400).

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

145165072600 is a wasteful number, since it uses less digits than its factorization.

145165072600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139852 (or 139843 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 145165072600 in words is "one hundred forty-five billion, one hundred sixty-five million, seventy-two thousand, six hundred".