146253631 has 2 divisors, whose sum is σ = 146253632. Its totient is φ = 146253630.

The previous prime is 146253607. The next prime is 146253643. The reversal of 146253631 is 136352641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146253631 - 2²³ = 137865023 is a prime.

It is a super-2 number, since 2×146253631² = 42780249161368322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146253593 and 146253602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146253131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73126815 + 73126816.

It is an arithmetic number, because the mean of its divisors is an integer number (73126816).

Almost surely, 2^146253631 is an apocalyptic number.

146253631 is a deficient number, since it is larger than the sum of its proper divisors (1).

146253631 is an equidigital number, since it uses as much as digits as its factorization.

146253631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 146253631 is about 12093.5367448898. The cubic root of 146253631 is about 526.8684816921.

The spelling of 146253631 in words is "one hundred forty-six million, two hundred fifty-three thousand, six hundred thirty-one".