145620001636 has 12 divisors (see below), whose sum is σ = 255112305280. Its totient is φ = 72730771560.

The previous prime is 145620001621. The next prime is 145620001651. The reversal of 145620001636 is 636100026541.

It is an interprime number because it is at equal distance from previous prime (145620001621) and next prime (145620001651).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19803180 + ... + 19810531.

Almost surely, 2^145620001636 is an apocalyptic number.

It is an amenable number.

145620001636 is a deficient number, since it is larger than the sum of its proper divisors (109492303644).

145620001636 is a wasteful number, since it uses less digits than its factorization.

145620001636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39614634 (or 39614632 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 145620001636 in words is "one hundred forty-five billion, six hundred twenty million, one thousand, six hundred thirty-six".