146107831 has 4 divisors (see below), whose sum is σ = 146135152. Its totient is φ = 146080512.

The previous prime is 146107823. The next prime is 146107873. The reversal of 146107831 is 138701641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146107831 - 2³ = 146107823 is a prime.

It is a super-2 number, since 2×146107831² = 42694996559049122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146107793 and 146107802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146107331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2715 + ... + 17308.

It is an arithmetic number, because the mean of its divisors is an integer number (36533788).

Almost surely, 2^146107831 is an apocalyptic number.

146107831 is a deficient number, since it is larger than the sum of its proper divisors (27321).

146107831 is an equidigital number, since it uses as much as digits as its factorization.

146107831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27320.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 146107831 is about 12087.5072285397. The cubic root of 146107831 is about 526.6933453789.

The spelling of 146107831 in words is "one hundred forty-six million, one hundred seven thousand, eight hundred thirty-one".