45271912 has 32 divisors (see below), whose sum is σ = 101232000. Its totient is φ = 18558144.

The previous prime is 45271861. The next prime is 45271921. The reversal of 45271912 is 21917254.

45271912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45271912² = 4099092032271488, 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 7 ways as a sum of consecutive naturals, for example, 16287 + ... + 18862.

It is an arithmetic number, because the mean of its divisors is an integer number (3163500).

Almost surely, 2^45271912 is an apocalyptic number.

It is an amenable number.

45271912 is an abundant number, since it is smaller than the sum of its proper divisors (55960088).

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

45271912 is a wasteful number, since it uses less digits than its factorization.

45271912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35185 (or 35181 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 45271912 is about 6728.4405325454. The cubic root of 45271912 is about 356.4043085702.

The spelling of 45271912 in words is "forty-five million, two hundred seventy-one thousand, nine hundred twelve".