150861015 has 16 divisors (see below), whose sum is σ = 268197600. Its totient is φ = 80459136.

The previous prime is 150860981. The next prime is 150861031. The reversal of 150861015 is 510168051.

It is not a de Polignac number, because 150861015 - 2¹² = 150856919 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 150861015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558610 + ... + 558879.

It is an arithmetic number, because the mean of its divisors is an integer number (16762350).

Almost surely, 2^150861015 is an apocalyptic number.

150861015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

150861015 is a deficient number, since it is larger than the sum of its proper divisors (117336585).

150861015 is a wasteful number, since it uses less digits than its factorization.

150861015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117503 (or 1117497 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 150861015 is about 12282.5492060891. The cubic root of 150861015 is about 532.3439733313.

The spelling of 150861015 in words is "one hundred fifty million, eight hundred sixty-one thousand, fifteen".