145866404992 has 96 divisors (see below), whose sum is σ = 368767833840. Its totient is φ = 56831040000.

The previous prime is 145866404977. The next prime is 145866405067. The reversal of 145866404992 is 299404668541.

It is a happy 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, 988134 + ... + 1126117.

Almost surely, 2^145866404992 is an apocalyptic number.

It is an amenable number.

145866404992 is an abundant number, since it is smaller than the sum of its proper divisors (222901428848).

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

145866404992 is a wasteful number, since it uses less digits than its factorization.

145866404992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114290 (or 2114271 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 145866404992 in words is "one hundred forty-five billion, eight hundred sixty-six million, four hundred four thousand, nine hundred ninety-two".