146257913 has 2 divisors, whose sum is σ = 146257914. Its totient is φ = 146257912.

The previous prime is 146257889. The next prime is 146257957. The reversal of 146257913 is 319752641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135675904 + 10582009 = 11648^2 + 3253^2 .

It is a cyclic number.

It is not a de Polignac number, because 146257913 - 2¹⁸ = 145995769 is a prime.

It is not a weakly prime, because it can be changed into another prime (146257973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73128956 + 73128957.

It is an arithmetic number, because the mean of its divisors is an integer number (73128957).

Almost surely, 2^146257913 is an apocalyptic number.

It is an amenable number.

146257913 is a deficient number, since it is larger than the sum of its proper divisors (1).

146257913 is an equidigital number, since it uses as much as digits as its factorization.

146257913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 146257913 is about 12093.7137803075. The cubic root of 146257913 is about 526.8736235105.

The spelling of 146257913 in words is "one hundred forty-six million, two hundred fifty-seven thousand, nine hundred thirteen".