45489274 has 16 divisors (see below), whose sum is σ = 69439680. Its totient is φ = 22345120.

The previous prime is 45489259. The next prime is 45489277. The reversal of 45489274 is 47298454.

It is a self number, because there is not a number n which added to its sum of digits gives 45489274.

It is not an unprimeable number, because it can be changed into a prime (45489277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79662 + ... + 80230.

It is an arithmetic number, because the mean of its divisors is an integer number (4339980).

Almost surely, 2^45489274 is an apocalyptic number.

45489274 is a deficient number, since it is larger than the sum of its proper divisors (23950406).

45489274 is a wasteful number, since it uses less digits than its factorization.

45489274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205.

The product of its digits is 322560, while the sum is 43.

The square root of 45489274 is about 6744.5736707371. The cubic root of 45489274 is about 356.9737941308.

The spelling of 45489274 in words is "forty-five million, four hundred eighty-nine thousand, two hundred seventy-four".