150531320 has 32 divisors (see below), whose sum is σ = 353423520. Its totient is φ = 57594240.

The previous prime is 150531317. The next prime is 150531323. The reversal of 150531320 is 23135051.

It is an interprime number because it is at equal distance from previous prime (150531317) and next prime (150531323).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 150531292 and 150531301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150531323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80891 + ... + 82730.

It is an arithmetic number, because the mean of its divisors is an integer number (11044485).

Almost surely, 2^150531320 is an apocalyptic number.

150531320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150531320 is an abundant number, since it is smaller than the sum of its proper divisors (202892200).

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

150531320 is a wasteful number, since it uses less digits than its factorization.

150531320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163655 (or 163651 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 150531320 is about 12269.1205878824. The cubic root of 150531320 is about 531.9558917206.

Adding to 150531320 its reverse (23135051), we get a palindrome (173666371).

The spelling of 150531320 in words is "one hundred fifty million, five hundred thirty-one thousand, three hundred twenty".