149079169 has 8 divisors (see below), whose sum is σ = 160925760. Its totient is φ = 137679696.

The previous prime is 149079167. The next prime is 149079173. The reversal of 149079169 is 961970941.

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 149079169 - 2¹ = 149079167 is a prime.

It is a super-2 number, since 2×149079169² = 44449197259461122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149079163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111087 + ... + 112420.

It is an arithmetic number, because the mean of its divisors is an integer number (20115720).

Almost surely, 2^149079169 is an apocalyptic number.

It is an amenable number.

149079169 is a deficient number, since it is larger than the sum of its proper divisors (11846591).

149079169 is a wasteful number, since it uses less digits than its factorization.

149079169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223559.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 149079169 is about 12209.7980736784. The cubic root of 149079169 is about 530.2397977412.

It can be divided in two parts, 149079 and 169, that multiplied together give a triangular number (25194351 = T₇₀₉₈).

The spelling of 149079169 in words is "one hundred forty-nine million, seventy-nine thousand, one hundred sixty-nine".