145390882 has 32 divisors (see below), whose sum is σ = 269039232. Its totient is φ = 57383424.

The previous prime is 145390873. The next prime is 145390897. The reversal of 145390882 is 288093541.

It is a super-2 number, since 2×145390882² = 42277017137475848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121893 + ... + 123079.

It is an arithmetic number, because the mean of its divisors is an integer number (8407476).

Almost surely, 2^145390882 is an apocalyptic number.

145390882 is a deficient number, since it is larger than the sum of its proper divisors (123648350).

145390882 is a wasteful number, since it uses less digits than its factorization.

145390882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 145390882 is about 12057.8141468510. The cubic root of 145390882 is about 525.8304402220.

The spelling of 145390882 in words is "one hundred forty-five million, three hundred ninety thousand, eight hundred eighty-two".