146242631 has 2 divisors, whose sum is σ = 146242632. Its totient is φ = 146242630.

The previous prime is 146242627. The next prime is 146242637. The reversal of 146242631 is 136242641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146242631 - 2² = 146242627 is a prime.

It is a super-2 number, since 2×146242631² = 42773814243604322, 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 = 146242594 and 146242603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146242637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73121315 + 73121316.

It is an arithmetic number, because the mean of its divisors is an integer number (73121316).

Almost surely, 2^146242631 is an apocalyptic number.

146242631 is a deficient number, since it is larger than the sum of its proper divisors (1).

146242631 is an equidigital number, since it uses as much as digits as its factorization.

146242631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 146242631 is about 12093.0819479569. The cubic root of 146242631 is about 526.8552724506.

The spelling of 146242631 in words is "one hundred forty-six million, two hundred forty-two thousand, six hundred thirty-one".