145487992 has 32 divisors (see below), whose sum is σ = 294295680. Its totient is φ = 67029120.

The previous prime is 145487933. The next prime is 145488011. The reversal of 145487992 is 299784541.

It is a congruent 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, 88942 + ... + 90562.

It is an arithmetic number, because the mean of its divisors is an integer number (9196740).

Almost surely, 2^145487992 is an apocalyptic number.

It is an amenable number.

145487992 is an abundant number, since it is smaller than the sum of its proper divisors (148807688).

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

145487992 is a wasteful number, since it uses less digits than its factorization.

145487992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503 (or 2499 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The square root of 145487992 is about 12061.8403239307. The cubic root of 145487992 is about 525.9474856853.

The spelling of 145487992 in words is "one hundred forty-five million, four hundred eighty-seven thousand, nine hundred ninety-two".