146172464 has 20 divisors (see below), whose sum is σ = 283545840. Its totient is φ = 72999360.

The previous prime is 146172451. The next prime is 146172469. The reversal of 146172464 is 464271641.

It is not an unprimeable number, because it can be changed into a prime (146172469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9734 + ... + 19674.

It is an arithmetic number, because the mean of its divisors is an integer number (14177292).

Almost surely, 2^146172464 is an apocalyptic number.

It is an amenable number.

146172464 is a deficient number, since it is larger than the sum of its proper divisors (137373376).

146172464 is an equidigital number, since it uses as much as digits as its factorization.

146172464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10868 (or 10862 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 146172464 is about 12090.1804783882. The cubic root of 146172464 is about 526.7709975083.

The spelling of 146172464 in words is "one hundred forty-six million, one hundred seventy-two thousand, four hundred sixty-four".