45197552 has 20 divisors (see below), whose sum is σ = 89224200. Its totient is φ = 22171968.

The previous prime is 45197531. The next prime is 45197557. The reversal of 45197552 is 25579154.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45197557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25802 + ... + 27497.

It is an arithmetic number, because the mean of its divisors is an integer number (4461210).

Almost surely, 2^45197552 is an apocalyptic number.

It is an amenable number.

45197552 is a deficient number, since it is larger than the sum of its proper divisors (44026648).

45197552 is a wasteful number, since it uses less digits than its factorization.

45197552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53360 (or 53354 counting only the distinct ones).

The product of its digits is 63000, while the sum is 38.

The square root of 45197552 is about 6722.9124641036. The cubic root of 45197552 is about 356.2090679555.

The spelling of 45197552 in words is "forty-five million, one hundred ninety-seven thousand, five hundred fifty-two".