45097650 has 108 divisors (see below), whose sum is σ = 131420718. Its totient is φ = 11082240.

The previous prime is 45097631. The next prime is 45097693. The reversal of 45097650 is 5679054.

It can be written as a sum of positive squares in 9 ways, for example, as 301401 + 44796249 = 549^2 + 6693^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 75754 + ... + 76346.

Almost surely, 2^45097650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45097650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65710359).

45097650 is an abundant number, since it is smaller than the sum of its proper divisors (86323068).

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

45097650 is a wasteful number, since it uses less digits than its factorization.

45097650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 45097650 is about 6715.4783895118. The cubic root of 45097650 is about 355.9464265215.

The spelling of 45097650 in words is "forty-five million, ninety-seven thousand, six hundred fifty".