45574452 has 144 divisors (see below), whose sum is σ = 147498624. Its totient is φ = 11520000.

The previous prime is 45574447. The next prime is 45574469. The reversal of 45574452 is 25447554.

It is a happy number.

45574452 is a `hidden beast` number, since 45 + 574 + 45 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113452 + ... + 113852.

It is an arithmetic number, because the mean of its divisors is an integer number (1024296).

Almost surely, 2^45574452 is an apocalyptic number.

45574452 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45574452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73749312).

45574452 is an abundant number, since it is smaller than the sum of its proper divisors (101924172).

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

45574452 is a wasteful number, since it uses less digits than its factorization.

45574452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 465 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 45574452 is about 6750.8852752806. The cubic root of 45574452 is about 357.1964646083.

It can be divided in two parts, 4557 and 4452, that added together give a palindrome (9009).

The spelling of 45574452 in words is "forty-five million, five hundred seventy-four thousand, four hundred fifty-two".