45530157840 has 320 divisors, whose sum is σ = 151394310144. Its totient is φ = 11291664384.

The previous prime is 45530157791. The next prime is 45530157851. The reversal of 45530157840 is 4875103554.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45530157792 and 45530157801.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102776659 + ... + 102777101.

Almost surely, 2^45530157840 is an apocalyptic number.

45530157840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45530157840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75697155072).

45530157840 is an abundant number, since it is smaller than the sum of its proper divisors (105864152304).

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

45530157840 is a wasteful number, since it uses less digits than its factorization.

45530157840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 45530157840 in words is "forty-five billion, five hundred thirty million, one hundred fifty-seven thousand, eight hundred forty".