45257274 has 24 divisors (see below), whose sum is σ = 98205120. Its totient is φ = 15063048.

The previous prime is 45257263. The next prime is 45257351. The reversal of 45257274 is 47275254.

It is a happy number.

It is a super-2 number, since 2×45257274² = 4096441699822152, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13999 + ... + 16925.

It is an arithmetic number, because the mean of its divisors is an integer number (4091880).

Almost surely, 2^45257274 is an apocalyptic number.

45257274 is an abundant number, since it is smaller than the sum of its proper divisors (52947846).

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

45257274 is a wasteful number, since it uses less digits than its factorization.

45257274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794 (or 3791 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 45257274 is about 6727.3526739721. The cubic root of 45257274 is about 356.3658917504.

The spelling of 45257274 in words is "forty-five million, two hundred fifty-seven thousand, two hundred seventy-four".