149829669 has 24 divisors (see below), whose sum is σ = 244843872. Its totient is φ = 90804240.

The previous prime is 149829643. The next prime is 149829677. The reversal of 149829669 is 966928941.

149829669 is a `hidden beast` number, since 1 + 498 + 2 + 96 + 69 = 666.

It is not a de Polignac number, because 149829669 - 2⁸ = 149829413 is a prime.

It is a super-2 number, since 2×149829669² = 44897859425299122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149829679) 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 23 ways as a sum of consecutive naturals, for example, 25354 + ... + 30699.

It is an arithmetic number, because the mean of its divisors is an integer number (10201828).

Almost surely, 2^149829669 is an apocalyptic number.

It is an amenable number.

149829669 is a deficient number, since it is larger than the sum of its proper divisors (95014203).

149829669 is an equidigital number, since it uses as much as digits as its factorization.

149829669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56079 (or 56067 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 149829669 is about 12240.4930047772. The cubic root of 149829669 is about 531.1280931998.

The spelling of 149829669 in words is "one hundred forty-nine million, eight hundred twenty-nine thousand, six hundred sixty-nine".