146116431 has 6 divisors (see below), whose sum is σ = 211057080. Its totient is φ = 97410948.

The previous prime is 146116429. The next prime is 146116457. The reversal of 146116431 is 134611641.

146116431 is a `hidden beast` number, since 1 + 4 + 6 + 11 + 643 + 1 = 666.

It is not a de Polignac number, because 146116431 - 2¹ = 146116429 is a prime.

It is a super-2 number, since 2×146116431² = 42700022816355522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146116395 and 146116404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146114431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8117571 + ... + 8117588.

It is an arithmetic number, because the mean of its divisors is an integer number (35176180).

Almost surely, 2^146116431 is an apocalyptic number.

146116431 is a deficient number, since it is larger than the sum of its proper divisors (64940649).

146116431 is a wasteful number, since it uses less digits than its factorization.

146116431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16235165 (or 16235162 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 146116431 is about 12087.8629624926. The cubic root of 146116431 is about 526.7036790115.

It can be divided in two parts, 1461164 and 31, that added together give a triangular number (1461195 = T₁₇₀₉).

The spelling of 146116431 in words is "one hundred forty-six million, one hundred sixteen thousand, four hundred thirty-one".