145939976 has 32 divisors (see below), whose sum is σ = 336786240. Its totient is φ = 57734208.

The previous prime is 145939961. The next prime is 145940009. The reversal of 145939976 is 679939541.

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, 99506 + ... + 100961.

It is an arithmetic number, because the mean of its divisors is an integer number (10524570).

Almost surely, 2^145939976 is an apocalyptic number.

It is an amenable number.

145939976 is an abundant number, since it is smaller than the sum of its proper divisors (190846264).

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

145939976 is a wasteful number, since it uses less digits than its factorization.

145939976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200493 (or 200489 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 53.

The square root of 145939976 is about 12080.5619074611. The cubic root of 145939976 is about 526.4915720535.

The spelling of 145939976 in words is "one hundred forty-five million, nine hundred thirty-nine thousand, nine hundred seventy-six".