146916231 has 32 divisors (see below), whose sum is σ = 244850688. Its totient is φ = 76124640.

The previous prime is 146916229. The next prime is 146916239. The reversal of 146916231 is 132619641.

It is not a de Polignac number, because 146916231 - 2¹ = 146916229 is a prime.

It is a super-2 number, since 2×146916231² = 43168757862490722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 146916192 and 146916201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146916239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148966 + ... + 149948.

It is an arithmetic number, because the mean of its divisors is an integer number (7651584).

Almost surely, 2^146916231 is an apocalyptic number.

146916231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

146916231 is a deficient number, since it is larger than the sum of its proper divisors (97934457).

146916231 is a wasteful number, since it uses less digits than its factorization.

146916231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651.

The product of its digits is 7776, while the sum is 33.

The square root of 146916231 is about 12120.9005853526. The cubic root of 146916231 is about 527.6629398636.

The spelling of 146916231 in words is "one hundred forty-six million, nine hundred sixteen thousand, two hundred thirty-one".