457146009 has 6 divisors (see below), whose sum is σ = 660322026. Its totient is φ = 304764000.

The previous prime is 457145981. The next prime is 457146013. The reversal of 457146009 is 900641754.

457146009 is a `hidden beast` number, since 45 + 7 + 1 + 4 + 600 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 401120784 + 56025225 = 20028^2 + 7485^2 .

It is not a de Polignac number, because 457146009 - 2⁷ = 457145881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (457146409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25396992 + ... + 25397009.

It is an arithmetic number, because the mean of its divisors is an integer number (110053671).

Almost surely, 2^457146009 is an apocalyptic number.

It is an amenable number.

457146009 is a deficient number, since it is larger than the sum of its proper divisors (203176017).

457146009 is a wasteful number, since it uses less digits than its factorization.

457146009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50794007 (or 50794004 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 457146009 is about 21380.9730601767. The cubic root of 457146009 is about 770.3444846417.

The spelling of 457146009 in words is "four hundred fifty-seven million, one hundred forty-six thousand, nine".