150131520 has 336 divisors, whose sum is σ = 644761728. Its totient is φ = 31150080.

The previous prime is 150131467. The next prime is 150131567. The reversal of 150131520 is 25131051.

150131520 is a `hidden beast` number, since 15 + 0 + 131 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 150131493 and 150131502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221422 + ... + 222098.

Almost surely, 2^150131520 is an apocalyptic number.

150131520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150131520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322380864).

150131520 is an abundant number, since it is smaller than the sum of its proper divisors (494630208).

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

150131520 is a wasteful number, since it uses less digits than its factorization.

150131520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 150131520 is about 12252.8168190013. The cubic root of 150131520 is about 531.4845290663.

Adding to 150131520 its reverse (25131051), we get a palindrome (175262571).

The spelling of 150131520 in words is "one hundred fifty million, one hundred thirty-one thousand, five hundred twenty".