45097152 has 56 divisors (see below), whose sum is σ = 120036336. Its totient is φ = 14942208.

The previous prime is 45097139. The next prime is 45097163. The reversal of 45097152 is 25179054.

It is a super-2 number, since 2×45097152² = 4067506237022208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36448 + ... + 37664.

It is an arithmetic number, because the mean of its divisors is an integer number (2143506).

Almost surely, 2^45097152 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 45097152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60018168).

45097152 is an abundant number, since it is smaller than the sum of its proper divisors (74939184).

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

45097152 is a wasteful number, since it uses less digits than its factorization.

45097152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 45097152 is about 6715.4413108894. The cubic root of 45097152 is about 355.9451163130.

The spelling of 45097152 in words is "forty-five million, ninety-seven thousand, one hundred fifty-two".