145165394604 has 24 divisors (see below), whose sum is σ = 340492658688. Its totient is φ = 48135121360.

The previous prime is 145165394593. The next prime is 145165394659. The reversal of 145165394604 is 406493561541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31665552 + ... + 31670135.

It is an arithmetic number, because the mean of its divisors is an integer number (14187194112).

Almost surely, 2^145165394604 is an apocalyptic number.

It is an amenable number.

145165394604 is an abundant number, since it is smaller than the sum of its proper divisors (195327264084).

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

145165394604 is a wasteful number, since it uses less digits than its factorization.

145165394604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63335885 (or 63335883 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 145165394604 in words is "one hundred forty-five billion, one hundred sixty-five million, three hundred ninety-four thousand, six hundred four".