150640665 has 32 divisors (see below), whose sum is σ = 276646656. Its totient is φ = 68567040.

The previous prime is 150640663. The next prime is 150640667. The reversal of 150640665 is 566046051.

It is an interprime number because it is at equal distance from previous prime (150640663) and next prime (150640667).

It is not a de Polignac number, because 150640665 - 2¹ = 150640663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150640661) 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 31 ways as a sum of consecutive naturals, for example, 22329 + ... + 28281.

It is an arithmetic number, because the mean of its divisors is an integer number (8645208).

Almost surely, 2^150640665 is an apocalyptic number.

150640665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

150640665 is a deficient number, since it is larger than the sum of its proper divisors (126005991).

150640665 is a wasteful number, since it uses less digits than its factorization.

150640665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 150640665 is about 12273.5758848023. The cubic root of 150640665 is about 532.0846636791.

The spelling of 150640665 in words is "one hundred fifty million, six hundred forty thousand, six hundred sixty-five".