45420752 has 40 divisors (see below), whose sum is σ = 95514720. Its totient is φ = 20799360.

The previous prime is 45420733. The next prime is 45420769. The reversal of 45420752 is 25702454.

It is a happy number.

It is a congruent 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, 28127 + ... + 29697.

It is an arithmetic number, because the mean of its divisors is an integer number (2387868).

Almost surely, 2^45420752 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 45420752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47757360).

45420752 is an abundant number, since it is smaller than the sum of its proper divisors (50093968).

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

45420752 is a wasteful number, since it uses less digits than its factorization.

45420752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 45420752 is about 6739.4919689840. The cubic root of 45420752 is about 356.7944635738.

The spelling of 45420752 in words is "forty-five million, four hundred twenty thousand, seven hundred fifty-two".