145246772136 has 64 divisors (see below), whose sum is σ = 376619673600. Its totient is φ = 46623949568.

The previous prime is 145246772113. The next prime is 145246772161. The reversal of 145246772136 is 631277642541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5871 + ... + 539006.

It is an arithmetic number, because the mean of its divisors is an integer number (5884682400).

Almost surely, 2^145246772136 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 145246772136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188309836800).

145246772136 is an abundant number, since it is smaller than the sum of its proper divisors (231372901464).

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

145246772136 is a wasteful number, since it uses less digits than its factorization.

145246772136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545298 (or 545294 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The spelling of 145246772136 in words is "one hundred forty-five billion, two hundred forty-six million, seven hundred seventy-two thousand, one hundred thirty-six".