150780015 has 16 divisors (see below), whose sum is σ = 268053600. Its totient is φ = 80415936.

The previous prime is 150780011. The next prime is 150780043. The reversal of 150780015 is 510087051.

It is not a de Polignac number, because 150780015 - 2² = 150780011 is a prime.

It is a super-2 number, since 2×150780015² = 45469225846800450, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150780011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558310 + ... + 558579.

It is an arithmetic number, because the mean of its divisors is an integer number (16753350).

Almost surely, 2^150780015 is an apocalyptic number.

150780015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

150780015 is a deficient number, since it is larger than the sum of its proper divisors (117273585).

150780015 is a wasteful number, since it uses less digits than its factorization.

150780015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116903 (or 1116897 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 150780015 is about 12279.2514022639. The cubic root of 150780015 is about 532.2486812475.

The spelling of 150780015 in words is "one hundred fifty million, seven hundred eighty thousand, fifteen".