45722502 has 128 divisors (see below), whose sum is σ = 124185600. Its totient is φ = 12192768.

The previous prime is 45722483. The next prime is 45722513. The reversal of 45722502 is 20522754.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 471318 + ... + 471414.

It is an arithmetic number, because the mean of its divisors is an integer number (970200).

Almost surely, 2^45722502 is an apocalyptic number.

45722502 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 45722502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62092800).

45722502 is an abundant number, since it is smaller than the sum of its proper divisors (78463098).

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

45722502 is a wasteful number, since it uses less digits than its factorization.

45722502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 45722502 is about 6761.8416130519. The cubic root of 45722502 is about 357.5828344087.

The spelling of 45722502 in words is "forty-five million, seven hundred twenty-two thousand, five hundred two".