149565318 has 32 divisors (see below), whose sum is σ = 342910464. Its totient is φ = 42602112.

The previous prime is 149565313. The next prime is 149565347. The reversal of 149565318 is 813565941.

149565318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×149565318² = 44739568696882248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 149565318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149565313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8871 + ... + 19437.

It is an arithmetic number, because the mean of its divisors is an integer number (10715952).

Almost surely, 2^149565318 is an apocalyptic number.

149565318 is an abundant number, since it is smaller than the sum of its proper divisors (193345146).

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

149565318 is a wasteful number, since it uses less digits than its factorization.

149565318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10916.

The product of its digits is 129600, while the sum is 42.

The square root of 149565318 is about 12229.6900206015. The cubic root of 149565318 is about 530.8155451838.

The spelling of 149565318 in words is "one hundred forty-nine million, five hundred sixty-five thousand, three hundred eighteen".