150512115 has 64 divisors (see below), whose sum is σ = 278240256. Its totient is φ = 68884992.

The previous prime is 150512113. The next prime is 150512171. The reversal of 150512115 is 511215051.

It is not a de Polignac number, because 150512115 - 2¹ = 150512113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150512091 and 150512100.

It is not an unprimeable number, because it can be changed into a prime (150512111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 165492 + ... + 166398.

It is an arithmetic number, because the mean of its divisors is an integer number (4347504).

Almost surely, 2^150512115 is an apocalyptic number.

150512115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

150512115 is a deficient number, since it is larger than the sum of its proper divisors (127728141).

150512115 is a wasteful number, since it uses less digits than its factorization.

150512115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988.

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 150512115 is about 12268.3379069864. The cubic root of 150512115 is about 531.9332681953.

Adding to 150512115 its reverse (511215051), we get a palindrome (661727166).

The spelling of 150512115 in words is "one hundred fifty million, five hundred twelve thousand, one hundred fifteen".