151502530 has 16 divisors (see below), whose sum is σ = 273133944. Its totient is φ = 60505600.

The previous prime is 151502489. The next prime is 151502539. The reversal of 151502530 is 35205151.

151502530 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 4 ways, for example, as 134304921 + 17197609 = 11589^2 + 4147^2 .

It is not an unprimeable number, because it can be changed into a prime (151502539) 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, 5071 + ... + 18130.

Almost surely, 2^151502530 is an apocalyptic number.

151502530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151502530 is a deficient number, since it is larger than the sum of its proper divisors (121631414).

151502530 is a wasteful number, since it uses less digits than its factorization.

151502530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23861.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 151502530 is about 12308.6363988868. The cubic root of 151502530 is about 533.0974786132.

Adding to 151502530 its reverse (35205151), we get a palindrome (186707681).

It can be divided in two parts, 151 and 502530, that added together give a square (502681 = 709²).

The spelling of 151502530 in words is "one hundred fifty-one million, five hundred two thousand, five hundred thirty".