146564871 has 16 divisors (see below), whose sum is σ = 207424224. Its totient is φ = 91736064.

The previous prime is 146564849. The next prime is 146564897. The reversal of 146564871 is 178465641.

146564871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146564871 - 2⁵ = 146564839 is a prime.

It is a super-2 number, since 2×146564871² = 42962522822493282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146564371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18765 + ... + 25401.

It is an arithmetic number, because the mean of its divisors is an integer number (12964014).

Almost surely, 2^146564871 is an apocalyptic number.

146564871 is a deficient number, since it is larger than the sum of its proper divisors (60859353).

146564871 is a wasteful number, since it uses less digits than its factorization.

146564871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090.

The product of its digits is 161280, while the sum is 42.

The square root of 146564871 is about 12106.3979366284. The cubic root of 146564871 is about 527.2419570025.

The spelling of 146564871 in words is "one hundred forty-six million, five hundred sixty-four thousand, eight hundred seventy-one".