146859031 has 12 divisors (see below), whose sum is σ = 165791416. Its totient is φ = 129895920.

The previous prime is 146859023. The next prime is 146859043. The reversal of 146859031 is 130958641.

It is not a de Polignac number, because 146859031 - 2³ = 146859023 is a prime.

It is a super-2 number, since 2×146859031² = 43135149972517922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146859091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11925 + ... + 20878.

Almost surely, 2^146859031 is an apocalyptic number.

146859031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

146859031 is a deficient number, since it is larger than the sum of its proper divisors (18932385).

146859031 is a wasteful number, since it uses less digits than its factorization.

146859031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32862 (or 32851 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 146859031 is about 12118.5407949967. The cubic root of 146859031 is about 527.5944513155.

It can be divided in two parts, 14685 and 9031, that added together give a square (23716 = 154²).

The spelling of 146859031 in words is "one hundred forty-six million, eight hundred fifty-nine thousand, thirty-one".