146500979645 has 18 divisors (see below), whose sum is σ = 186769278702. Its totient is φ = 110295664896.

The previous prime is 146500979641. The next prime is 146500979683. The reversal of 146500979645 is 546979005641.

It can be written as a sum of positive squares in 9 ways, for example, as 25021545124 + 121479434521 = 158182^2 + 348539^2 .

It is not a de Polignac number, because 146500979645 - 2² = 146500979641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146500979641) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14544671 + ... + 14554739.

It is an arithmetic number, because the mean of its divisors is an integer number (10376071039).

Almost surely, 2^146500979645 is an apocalyptic number.

It is an amenable number.

146500979645 is a deficient number, since it is larger than the sum of its proper divisors (40268299057).

146500979645 is an frugal number, since it uses more digits than its factorization.

146500979645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20177 (or 10091 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 146500979645 in words is "one hundred forty-six billion, five hundred million, nine hundred seventy-nine thousand, six hundred forty-five".