146873957 has 2 divisors, whose sum is σ = 146873958. Its totient is φ = 146873956.

The previous prime is 146873927. The next prime is 146873963. The reversal of 146873957 is 759378641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102131236 + 44742721 = 10106^2 + 6689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146873957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146873917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73436978 + 73436979.

It is an arithmetic number, because the mean of its divisors is an integer number (73436979).

Almost surely, 2^146873957 is an apocalyptic number.

It is an amenable number.

146873957 is a deficient number, since it is larger than the sum of its proper divisors (1).

146873957 is an equidigital number, since it uses as much as digits as its factorization.

146873957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 50.

The square root of 146873957 is about 12119.1566125700. The cubic root of 146873957 is about 527.6123247096.

The spelling of 146873957 in words is "one hundred forty-six million, eight hundred seventy-three thousand, nine hundred fifty-seven".