151312530 has 32 divisors (see below), whose sum is σ = 364725504. Its totient is φ = 40174976.

The previous prime is 151312493. The next prime is 151312541. The reversal of 151312530 is 35213151.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 151312497 and 151312506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3834 + ... + 17813.

It is an arithmetic number, because the mean of its divisors is an integer number (11397672).

Almost surely, 2^151312530 is an apocalyptic number.

151312530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151312530 is an abundant number, since it is smaller than the sum of its proper divisors (213412974).

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

151312530 is a wasteful number, since it uses less digits than its factorization.

151312530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21890.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 151312530 is about 12300.9158195640. The cubic root of 151312530 is about 532.8745320776.

Adding to 151312530 its reverse (35213151), we get a palindrome (186525681).

The spelling of 151312530 in words is "one hundred fifty-one million, three hundred twelve thousand, five hundred thirty".