149331705 has 8 divisors (see below), whose sum is σ = 238930752. Its totient is φ = 79643568.

The previous prime is 149331683. The next prime is 149331719. The reversal of 149331705 is 507133941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149331705 - 2⁶ = 149331641 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4977709 + ... + 4977738.

It is an arithmetic number, because the mean of its divisors is an integer number (29866344).

Almost surely, 2^149331705 is an apocalyptic number.

149331705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149331705 is a deficient number, since it is larger than the sum of its proper divisors (89599047).

149331705 is an equidigital number, since it uses as much as digits as its factorization.

149331705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9955455.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 149331705 is about 12220.1352283843. The cubic root of 149331705 is about 530.5390327031.

The spelling of 149331705 in words is "one hundred forty-nine million, three hundred thirty-one thousand, seven hundred five".