145009976 has 64 divisors (see below), whose sum is σ = 301104000. Its totient is φ = 65197440.

The previous prime is 145009967. The next prime is 145009999. The reversal of 145009976 is 679900541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295091 + ... + 295581.

It is an arithmetic number, because the mean of its divisors is an integer number (4704750).

Almost surely, 2^145009976 is an apocalyptic number.

It is an amenable number.

145009976 is an abundant number, since it is smaller than the sum of its proper divisors (156094024).

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

145009976 is a wasteful number, since it uses less digits than its factorization.

145009976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 145009976 is about 12042.0088025213. The cubic root of 145009976 is about 525.3708352012.

The spelling of 145009976 in words is "one hundred forty-five million, nine thousand, nine hundred seventy-six".