150525640 has 16 divisors (see below), whose sum is σ = 338682780. Its totient is φ = 60210240.

The previous prime is 150525629. The next prime is 150525643. The reversal of 150525640 is 46525051.

150525640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 145588356 + 4937284 = 12066^2 + 2222^2 .

It is a junction number, because it is equal to n+sod(n) for n = 150525599 and 150525608.

It is not an unprimeable number, because it can be changed into a prime (150525643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1881531 + ... + 1881610.

Almost surely, 2^150525640 is an apocalyptic number.

150525640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150525640 is an abundant number, since it is smaller than the sum of its proper divisors (188157140).

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

150525640 is a wasteful number, since it uses less digits than its factorization.

150525640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763152 (or 3763148 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 150525640 is about 12268.8891102659. The cubic root of 150525640 is about 531.9492008706.

The spelling of 150525640 in words is "one hundred fifty million, five hundred twenty-five thousand, six hundred forty".