150898644 has 36 divisors (see below), whose sum is σ = 410780916. Its totient is φ = 46430208.

The previous prime is 150898639. The next prime is 150898661. The reversal of 150898644 is 446898051.

It can be written as a sum of positive squares in 2 ways, for example, as 27688644 + 123210000 = 5262^2 + 11100^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×150898644² = 45540801522077472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 150898644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160749 + ... + 161684.

It is an arithmetic number, because the mean of its divisors is an integer number (11410581).

Almost surely, 2^150898644 is an apocalyptic number.

It is an amenable number.

150898644 is an abundant number, since it is smaller than the sum of its proper divisors (259882272).

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

150898644 is a wasteful number, since it uses less digits than its factorization.

150898644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322456 (or 322451 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 150898644 is about 12284.0809180012. The cubic root of 150898644 is about 532.3882301949.

The spelling of 150898644 in words is "one hundred fifty million, eight hundred ninety-eight thousand, six hundred forty-four".