45513500 has 48 divisors (see below), whose sum is σ = 100088352. Its totient is φ = 18080000.

The previous prime is 45513491. The next prime is 45513509. The reversal of 45513500 is 531554.

It is an interprime number because it is at equal distance from previous prime (45513491) and next prime (45513509).

It is a hoax number, since the sum of its digits (23) 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 (45513509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113300 + ... + 113700.

It is an arithmetic number, because the mean of its divisors is an integer number (2085174).

Almost surely, 2^45513500 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 45513500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50044176).

45513500 is an abundant number, since it is smaller than the sum of its proper divisors (54574852).

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

45513500 is a wasteful number, since it uses less digits than its factorization.

45513500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 45513500 is about 6746.3693939778. The cubic root of 45513500 is about 357.0371534799.

The spelling of 45513500 in words is "forty-five million, five hundred thirteen thousand, five hundred".