149294669 has 8 divisors (see below), whose sum is σ = 150238272. Its totient is φ = 148354560.

The previous prime is 149294659. The next prime is 149294683. The reversal of 149294669 is 966492941.

149294669 = T₁₄₂ + T₁₄₃ + ... + T₉₆₄.

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

It is a cyclic number.

It is not a de Polignac number, because 149294669 - 2²⁰ = 148246093 is a prime.

It is a super-2 number, since 2×149294669² = 44577796383639122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149294659) 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 7 ways as a sum of consecutive naturals, for example, 180992 + ... + 181814.

It is an arithmetic number, because the mean of its divisors is an integer number (18779784).

Almost surely, 2^149294669 is an apocalyptic number.

It is an amenable number.

149294669 is a deficient number, since it is larger than the sum of its proper divisors (943603).

149294669 is an equidigital number, since it uses as much as digits as its factorization.

149294669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747.

The product of its digits is 839808, while the sum is 50.

The square root of 149294669 is about 12218.6197665694. The cubic root of 149294669 is about 530.4951691261.

The spelling of 149294669 in words is "one hundred forty-nine million, two hundred ninety-four thousand, six hundred sixty-nine".