146956057 has 2 divisors, whose sum is σ = 146956058. Its totient is φ = 146956056.

The previous prime is 146956049. The next prime is 146956087. The reversal of 146956057 is 750659641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127780416 + 19175641 = 11304^2 + 4379^2 .

It is a cyclic number.

It is not a de Polignac number, because 146956057 - 2³ = 146956049 is a prime.

It is not a weakly prime, because it can be changed into another prime (146956087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73478028 + 73478029.

It is an arithmetic number, because the mean of its divisors is an integer number (73478029).

Almost surely, 2^146956057 is an apocalyptic number.

It is an amenable number.

146956057 is a deficient number, since it is larger than the sum of its proper divisors (1).

146956057 is an equidigital number, since it uses as much as digits as its factorization.

146956057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 146956057 is about 12122.5433387553. The cubic root of 146956057 is about 527.7106151170.

The spelling of 146956057 in words is "one hundred forty-six million, nine hundred fifty-six thousand, fifty-seven".