145387830748636 has 24 divisors (see below), whose sum is σ = 291856611926880. Its totient is φ = 62077438085952.

The previous prime is 145387830748597. The next prime is 145387830748663. The reversal of 145387830748636 is 636847038783541.

It is a super-2 number, since 2×145387830748636² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9651335455 + ... + 9651350518.

It is an arithmetic number, because the mean of its divisors is an integer number (12160692163620).

Almost surely, 2^{145387830748636} is an apocalyptic number.

It is an amenable number.

145387830748636 is an abundant number, since it is smaller than the sum of its proper divisors (146468781178244).

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

145387830748636 is a wasteful number, since it uses less digits than its factorization.

145387830748636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19302686253 (or 19302686251 counting only the distinct ones).

The product of its (nonzero) digits is 1950842880, while the sum is 73.

The spelling of 145387830748636 in words is "one hundred forty-five trillion, three hundred eighty-seven billion, eight hundred thirty million, seven hundred forty-eight thousand, six hundred thirty-six".