151507530 has 64 divisors (see below), whose sum is σ = 410688000. Its totient is φ = 39735360.

The previous prime is 151507529. The next prime is 151507537. The reversal of 151507530 is 35705151.

151507530 is a `hidden beast` number, since 151 + 507 + 5 + 3 + 0 = 666.

It is a super-3 number, since 3×151507530³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 151507494 and 151507503.

It is not an unprimeable number, because it can be changed into a prime (151507537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11871 + ... + 21069.

It is an arithmetic number, because the mean of its divisors is an integer number (6417000).

Almost surely, 2^151507530 is an apocalyptic number.

151507530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151507530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205344000).

151507530 is an abundant number, since it is smaller than the sum of its proper divisors (259180470).

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

151507530 is a wasteful number, since it uses less digits than its factorization.

151507530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9276 (or 9270 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 151507530 is about 12308.8395066310. The cubic root of 151507530 is about 533.1033431095.

The spelling of 151507530 in words is "one hundred fifty-one million, five hundred seven thousand, five hundred thirty".