64957145 has 8 divisors (see below), whose sum is σ = 85034880. Its totient is φ = 47241520.

The previous prime is 64957127. The next prime is 64957157. The reversal of 64957145 is 54175946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64957145 - 2⁸ = 64956889 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590465 + ... + 590574.

It is an arithmetic number, because the mean of its divisors is an integer number (10629360).

Almost surely, 2^64957145 is an apocalyptic number.

It is an amenable number.

64957145 is a deficient number, since it is larger than the sum of its proper divisors (20077735).

64957145 is a wasteful number, since it uses less digits than its factorization.

64957145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181055.

The product of its digits is 151200, while the sum is 41.

The square root of 64957145 is about 8059.5995558092. The cubic root of 64957145 is about 401.9841932516.

The spelling of 64957145 in words is "sixty-four million, nine hundred fifty-seven thousand, one hundred forty-five".