150261620 has 18 divisors (see below), whose sum is σ = 315664566. Its totient is φ = 60082720.

The previous prime is 150261611. The next prime is 150261677. The reversal of 150261620 is 26162051.

It can be written as a sum of positive squares in 3 ways, for example, as 1860496 + 148401124 = 1364^2 + 12182^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53450 + ... + 56190.

Almost surely, 2^150261620 is an apocalyptic number.

150261620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150261620 is an abundant number, since it is smaller than the sum of its proper divisors (165402946).

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

150261620 is an frugal number, since it uses more digits than its factorization.

150261620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491 (or 2748 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 150261620 is about 12258.1246526538. The cubic root of 150261620 is about 531.6380082145.

Multiplying 150261620 by its product of nonzero digits (720), we get a square (108188366400 = 328920²).

The spelling of 150261620 in words is "one hundred fifty million, two hundred sixty-one thousand, six hundred twenty".