146020657 has 2 divisors, whose sum is σ = 146020658. Its totient is φ = 146020656.

The previous prime is 146020631. The next prime is 146020673. The reversal of 146020657 is 756020641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84805681 + 61214976 = 9209^2 + 7824^2 .

It is a cyclic number.

It is not a de Polignac number, because 146020657 - 2²⁷ = 11802929 is a prime.

It is not a weakly prime, because it can be changed into another prime (146020607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73010328 + 73010329.

It is an arithmetic number, because the mean of its divisors is an integer number (73010329).

Almost surely, 2^146020657 is an apocalyptic number.

It is an amenable number.

146020657 is a deficient number, since it is larger than the sum of its proper divisors (1).

146020657 is an equidigital number, since it uses as much as digits as its factorization.

146020657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 146020657 is about 12083.9007361034. The cubic root of 146020657 is about 526.5885754982.

The spelling of 146020657 in words is "one hundred forty-six million, twenty thousand, six hundred fifty-seven".