150705387 has 16 divisors (see below), whose sum is σ = 255162880. Its totient is φ = 86117256.

The previous prime is 150705383. The next prime is 150705409. The reversal of 150705387 is 783507051.

150705387 is a `hidden beast` number, since 1 + 50 + 70 + 538 + 7 = 666.

It is not a de Polignac number, because 150705387 - 2² = 150705383 is a prime.

It is a super-2 number, since 2×150705387² = 45424227341639538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (150705383) 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, 398503 + ... + 398880.

It is an arithmetic number, because the mean of its divisors is an integer number (15947680).

Almost surely, 2^150705387 is an apocalyptic number.

150705387 is a deficient number, since it is larger than the sum of its proper divisors (104457493).

150705387 is an equidigital number, since it uses as much as digits as its factorization.

150705387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797399 (or 797393 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 150705387 is about 12276.2122415670. The cubic root of 150705387 is about 532.1608552635.

The spelling of 150705387 in words is "one hundred fifty million, seven hundred five thousand, three hundred eighty-seven".