64300149 has 20 divisors (see below), whose sum is σ = 96761280. Its totient is φ = 42550920.

The previous prime is 64300139. The next prime is 64300153. The reversal of 64300149 is 94100346.

64300149 is a `hidden beast` number, since 643 + 0 + 0 + 14 + 9 = 666.

It is not a de Polignac number, because 64300149 - 2⁴ = 64300133 is a prime.

It is a super-2 number, since 2×64300149² = 8269018322844402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64300139) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8404 + ... + 14114.

It is an arithmetic number, because the mean of its divisors is an integer number (4838064).

Almost surely, 2^64300149 is an apocalyptic number.

It is an amenable number.

64300149 is a deficient number, since it is larger than the sum of its proper divisors (32461131).

64300149 is a wasteful number, since it uses less digits than its factorization.

64300149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862 (or 5853 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 64300149 is about 8018.7373694367. The cubic root of 64300149 is about 400.6243354229.

The spelling of 64300149 in words is "sixty-four million, three hundred thousand, one hundred forty-nine".