45238073136 has 80 divisors (see below), whose sum is σ = 119688110304. Its totient is φ = 14719352832.

The previous prime is 45238073131. The next prime is 45238073137. The reversal of 45238073136 is 63137083254.

It is a super-2 number, since 2×45238073136² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45238073131) 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, 273340 + ... + 406436.

Almost surely, 2^45238073136 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 45238073136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59844055152).

45238073136 is an abundant number, since it is smaller than the sum of its proper divisors (74450037168).

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

45238073136 is a wasteful number, since it uses less digits than its factorization.

45238073136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133278 (or 133272 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 45238073136 in words is "forty-five billion, two hundred thirty-eight million, seventy-three thousand, one hundred thirty-six".