146148931 has 8 divisors (see below), whose sum is σ = 156744720. Its totient is φ = 135843552.

The previous prime is 146148929. The next prime is 146148953. The reversal of 146148931 is 139841641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146148931 - 2¹ = 146148929 is a prime.

It is a super-2 number, since 2×146148931² = 42719020064885522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146148901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71560 + ... + 73573.

It is an arithmetic number, because the mean of its divisors is an integer number (19593090).

Almost surely, 2^146148931 is an apocalyptic number.

146148931 is a deficient number, since it is larger than the sum of its proper divisors (10595789).

146148931 is a wasteful number, since it uses less digits than its factorization.

146148931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145205.

The product of its digits is 20736, while the sum is 37.

The square root of 146148931 is about 12089.2072113931. The cubic root of 146148931 is about 526.7427268686.

The spelling of 146148931 in words is "one hundred forty-six million, one hundred forty-eight thousand, nine hundred thirty-one".