564149100 has 36 divisors (see below), whose sum is σ = 1632272264. Its totient is φ = 150439680.

The previous prime is 564149071. The next prime is 564149107. The reversal of 564149100 is 1941465.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (564149107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 939949 + ... + 940548.

Almost surely, 2^564149100 is an apocalyptic number.

564149100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

564149100 is an abundant number, since it is smaller than the sum of its proper divisors (1068123164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

564149100 is a wasteful number, since it uses less digits than its factorization.

564149100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880514 (or 1880507 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 564149100 is about 23751.8230879232. The cubic root of 564149100 is about 826.2877226795.

The spelling of 564149100 in words is "five hundred sixty-four million, one hundred forty-nine thousand, one hundred".