45274528 has 48 divisors (see below), whose sum is σ = 98261856. Its totient is φ = 20401920.

The previous prime is 45274483. The next prime is 45274531. The reversal of 45274528 is 82547254.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16623 + ... + 19153.

It is an arithmetic number, because the mean of its divisors is an integer number (2047122).

Almost surely, 2^45274528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45274528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49130928).

45274528 is an abundant number, since it is smaller than the sum of its proper divisors (52987328).

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

45274528 is a wasteful number, since it uses less digits than its factorization.

45274528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597 (or 2589 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 45274528 is about 6728.6349284234. The cubic root of 45274528 is about 356.4111732807.

The spelling of 45274528 in words is "forty-five million, two hundred seventy-four thousand, five hundred twenty-eight".