146221535615 has 16 divisors (see below), whose sum is σ = 180476084928. Its totient is φ = 113646468096.

The previous prime is 146221535569. The next prime is 146221535639. The reversal of 146221535615 is 516535122641.

It is a cyclic number.

It is not a de Polignac number, because 146221535615 - 2²² = 146217341311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462707 + ... + 711716.

It is an arithmetic number, because the mean of its divisors is an integer number (11279755308).

Almost surely, 2^146221535615 is an apocalyptic number.

146221535615 is a deficient number, since it is larger than the sum of its proper divisors (34254549313).

146221535615 is a wasteful number, since it uses less digits than its factorization.

146221535615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175138.

The product of its digits is 216000, while the sum is 41.

The spelling of 146221535615 in words is "one hundred forty-six billion, two hundred twenty-one million, five hundred thirty-five thousand, six hundred fifteen".