145461535625 has 40 divisors (see below), whose sum is σ = 208937568576. Its totient is φ = 99167976000.

The previous prime is 145461535621. The next prime is 145461535627. The reversal of 145461535625 is 526535164541.

It is a happy number.

It is not a de Polignac number, because 145461535625 - 2² = 145461535621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145461535625.

It is not an unprimeable number, because it can be changed into a prime (145461535621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 660782 + ... + 852968.

Almost surely, 2^145461535625 is an apocalyptic number.

It is an amenable number.

145461535625 is a deficient number, since it is larger than the sum of its proper divisors (63476032951).

145461535625 is an equidigital number, since it uses as much as digits as its factorization.

145461535625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192387 (or 192372 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 47.

The spelling of 145461535625 in words is "one hundred forty-five billion, four hundred sixty-one million, five hundred thirty-five thousand, six hundred twenty-five".