146447751564 has 36 divisors (see below), whose sum is σ = 370202656824. Its totient is φ = 48813901632.

The previous prime is 146447751551. The next prime is 146447751587. The reversal of 146447751564 is 465157744641.

146447751564 is a `hidden beast` number, since 1 + 4 + 6 + 4 + 4 + 7 + 75 + 1 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 146447751564.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 987184 + ... + 1125800.

It is an arithmetic number, because the mean of its divisors is an integer number (10283407134).

Almost surely, 2^146447751564 is an apocalyptic number.

It is an amenable number.

146447751564 is an abundant number, since it is smaller than the sum of its proper divisors (223754905260).

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

146447751564 is a wasteful number, since it uses less digits than its factorization.

146447751564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167974 (or 167969 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The spelling of 146447751564 in words is "one hundred forty-six billion, four hundred forty-seven million, seven hundred fifty-one thousand, five hundred sixty-four".