45555452502 has 96 divisors (see below), whose sum is σ = 107634546432. Its totient is φ = 12582438912.

The previous prime is 45555452489. The next prime is 45555452521. The reversal of 45555452502 is 20525455554.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 57884553 + ... + 57885339.

It is an arithmetic number, because the mean of its divisors is an integer number (1121193192).

Almost surely, 2^45555452502 is an apocalyptic number.

45555452502 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 45555452502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53817273216).

45555452502 is an abundant number, since it is smaller than the sum of its proper divisors (62079093930).

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

45555452502 is a wasteful number, since it uses less digits than its factorization.

45555452502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 42.

The spelling of 45555452502 in words is "forty-five billion, five hundred fifty-five million, four hundred fifty-two thousand, five hundred two".