146653531 has 2 divisors, whose sum is σ = 146653532. Its totient is φ = 146653530.

The previous prime is 146653523. The next prime is 146653537. The reversal of 146653531 is 135356641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146653531 - 2³ = 146653523 is a prime.

It is a super-2 number, since 2×146653531² = 43014516309535922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146653537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73326765 + 73326766.

It is an arithmetic number, because the mean of its divisors is an integer number (73326766).

Almost surely, 2^146653531 is an apocalyptic number.

146653531 is a deficient number, since it is larger than the sum of its proper divisors (1).

146653531 is an equidigital number, since it uses as much as digits as its factorization.

146653531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 34.

The square root of 146653531 is about 12110.0590832580. The cubic root of 146653531 is about 527.3482486149.

The spelling of 146653531 in words is "one hundred forty-six million, six hundred fifty-three thousand, five hundred thirty-one".