45191274 has 16 divisors (see below), whose sum is σ = 94312512. Its totient is φ = 14408768.

The previous prime is 45191269. The next prime is 45191281. The reversal of 45191274 is 47219154.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163599 + ... + 163874.

It is an arithmetic number, because the mean of its divisors is an integer number (5894532).

Almost surely, 2^45191274 is an apocalyptic number.

45191274 is an abundant number, since it is smaller than the sum of its proper divisors (49121238).

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

45191274 is a wasteful number, since it uses less digits than its factorization.

45191274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327501.

The product of its digits is 10080, while the sum is 33.

The square root of 45191274 is about 6722.4455371539. The cubic root of 45191274 is about 356.1925745542.

The spelling of 45191274 in words is "forty-five million, one hundred ninety-one thousand, two hundred seventy-four".