146855957 has 2 divisors, whose sum is σ = 146855958. Its totient is φ = 146855956.

The previous prime is 146855953. The next prime is 146855993. The reversal of 146855957 is 759558641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76983076 + 69872881 = 8774^2 + 8359^2 .

It is a cyclic number.

It is not a de Polignac number, because 146855957 - 2² = 146855953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146855953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73427978 + 73427979.

It is an arithmetic number, because the mean of its divisors is an integer number (73427979).

Almost surely, 2^146855957 is an apocalyptic number.

It is an amenable number.

146855957 is a deficient number, since it is larger than the sum of its proper divisors (1).

146855957 is an equidigital number, since it uses as much as digits as its factorization.

146855957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 50.

The square root of 146855957 is about 12118.4139638816. The cubic root of 146855957 is about 527.5907701512.

The spelling of 146855957 in words is "one hundred forty-six million, eight hundred fifty-five thousand, nine hundred fifty-seven".