146023815 has 16 divisors (see below), whose sum is σ = 267015168. Its totient is φ = 66753696.

The previous prime is 146023811. The next prime is 146023819. The reversal of 146023815 is 518320641.

It is an interprime number because it is at equal distance from previous prime (146023811) and next prime (146023819).

It is not a de Polignac number, because 146023815 - 2² = 146023811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146023811) 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, 695247 + ... + 695456.

It is an arithmetic number, because the mean of its divisors is an integer number (16688448).

Almost surely, 2^146023815 is an apocalyptic number.

146023815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

146023815 is a deficient number, since it is larger than the sum of its proper divisors (120991353).

146023815 is a wasteful number, since it uses less digits than its factorization.

146023815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390718.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 146023815 is about 12084.0314051230. The cubic root of 146023815 is about 526.5923716614.

The spelling of 146023815 in words is "one hundred forty-six million, twenty-three thousand, eight hundred fifteen".