150661005 has 32 divisors (see below), whose sum is σ = 264757248. Its totient is φ = 72552000.

The previous prime is 150661001. The next prime is 150661009. The reversal of 150661005 is 500166051.

It is an interprime number because it is at equal distance from previous prime (150661001) and next prime (150661009).

It is not a de Polignac number, because 150661005 - 2² = 150661001 is a prime.

It is a super-2 number, since 2×150661005² = 45397476855220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150661001) 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 31 ways as a sum of consecutive naturals, for example, 21892 + ... + 27938.

It is an arithmetic number, because the mean of its divisors is an integer number (8273664).

Almost surely, 2^150661005 is an apocalyptic number.

150661005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

150661005 is a deficient number, since it is larger than the sum of its proper divisors (114096243).

150661005 is a wasteful number, since it uses less digits than its factorization.

150661005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6217.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 150661005 is about 12274.4044662053. The cubic root of 150661005 is about 532.1086105441.

The spelling of 150661005 in words is "one hundred fifty million, six hundred sixty-one thousand, five".