45891256 has 32 divisors (see below), whose sum is σ = 90149760. Its totient is φ = 21859552.

The previous prime is 45891229. The next prime is 45891271. The reversal of 45891256 is 65219854.

It is a congruent number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81231 + ... + 81793.

It is an arithmetic number, because the mean of its divisors is an integer number (2817180).

Almost surely, 2^45891256 is an apocalyptic number.

45891256 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

45891256 is a deficient number, since it is larger than the sum of its proper divisors (44258504).

45891256 is a wasteful number, since it uses less digits than its factorization.

45891256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1031 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 45891256 is about 6774.3085255988. The cubic root of 45891256 is about 358.0222201495.

The spelling of 45891256 in words is "forty-five million, eight hundred ninety-one thousand, two hundred fifty-six".