149945564 has 12 divisors (see below), whose sum is σ = 266706888. Its totient is φ = 73743600.

The previous prime is 149945563. The next prime is 149945581. The reversal of 149945564 is 465549941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149945561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307022 + ... + 307509.

It is an arithmetic number, because the mean of its divisors is an integer number (22225574).

Almost surely, 2^149945564 is an apocalyptic number.

It is an amenable number.

149945564 is a deficient number, since it is larger than the sum of its proper divisors (116761324).

149945564 is a wasteful number, since it uses less digits than its factorization.

149945564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614596 (or 614594 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The square root of 149945564 is about 12245.2261718598. The cubic root of 149945564 is about 531.2650025014.

The spelling of 149945564 in words is "one hundred forty-nine million, nine hundred forty-five thousand, five hundred sixty-four".