146157131 has 2 divisors, whose sum is σ = 146157132. Its totient is φ = 146157130.

The previous prime is 146157127. The next prime is 146157149. The reversal of 146157131 is 131751641.

It is a happy number.

146157131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146157131 - 2² = 146157127 is a prime.

It is a super-2 number, since 2×146157131² = 42723813884302322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 146157094 and 146157103.

It is not a weakly prime, because it can be changed into another prime (146157631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73078565 + 73078566.

It is an arithmetic number, because the mean of its divisors is an integer number (73078566).

Almost surely, 2^146157131 is an apocalyptic number.

146157131 is a deficient number, since it is larger than the sum of its proper divisors (1).

146157131 is an equidigital number, since it uses as much as digits as its factorization.

146157131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The square root of 146157131 is about 12089.5463521176. The cubic root of 146157131 is about 526.7525780288.

The spelling of 146157131 in words is "one hundred forty-six million, one hundred fifty-seven thousand, one hundred thirty-one".