64197045 has 48 divisors (see below), whose sum is σ = 123731712. Its totient is φ = 30526080.

The previous prime is 64197043. The next prime is 64197047. The reversal of 64197045 is 54079146.

64197045 is a `hidden beast` number, since 641 + 9 + 7 + 0 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (64197043) and next prime (64197047).

It is not a de Polignac number, because 64197045 - 2¹ = 64197043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64197043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25012 + ... + 27458.

It is an arithmetic number, because the mean of its divisors is an integer number (2577744).

Almost surely, 2^64197045 is an apocalyptic number.

It is an amenable number.

64197045 is a deficient number, since it is larger than the sum of its proper divisors (59534667).

64197045 is a wasteful number, since it uses less digits than its factorization.

64197045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522 (or 2519 counting only the distinct ones).

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

The square root of 64197045 is about 8012.3058478817. The cubic root of 64197045 is about 400.4100898388.

The spelling of 64197045 in words is "sixty-four million, one hundred ninety-seven thousand, forty-five".