145630161720 has 48 divisors (see below), whose sum is σ = 473298026760. Its totient is φ = 38834709696.

The previous prime is 145630161679. The next prime is 145630161727. The reversal of 145630161720 is 27161036541.

145630161720 is a `hidden beast` number, since 1 + 4 + 5 + 6 + 30 + 1 + 617 + 2 + 0 = 666.

145630161720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145630161727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202263754 + ... + 202264473.

Almost surely, 2^145630161720 is an apocalyptic number.

145630161720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145630161720 is an abundant number, since it is smaller than the sum of its proper divisors (327667865040).

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

145630161720 is a wasteful number, since it uses less digits than its factorization.

145630161720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404528244 (or 404528237 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 145630161720 in words is "one hundred forty-five billion, six hundred thirty million, one hundred sixty-one thousand, seven hundred twenty".