150409987 has 16 divisors (see below), whose sum is σ = 186379200. Its totient is φ = 118196352.

The previous prime is 150409981. The next prime is 150409997. The reversal of 150409987 is 789904051.

It is a cyclic number.

It is not a de Polignac number, because 150409987 - 2²⁷ = 16192259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150409981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8013 + ... + 19105.

It is an arithmetic number, because the mean of its divisors is an integer number (11648700).

Almost surely, 2^150409987 is an apocalyptic number.

150409987 is a deficient number, since it is larger than the sum of its proper divisors (35969213).

150409987 is a wasteful number, since it uses less digits than its factorization.

150409987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11262.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 150409987 is about 12264.1749416746. The cubic root of 150409987 is about 531.8129288842.

The spelling of 150409987 in words is "one hundred fifty million, four hundred nine thousand, nine hundred eighty-seven".