149165174 has 8 divisors (see below), whose sum is σ = 236909448. Its totient is φ = 70195360.

The previous prime is 149165171. The next prime is 149165179. The reversal of 149165174 is 471561941.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149165171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2193572 + ... + 2193639.

It is an arithmetic number, because the mean of its divisors is an integer number (29613681).

Almost surely, 2^149165174 is an apocalyptic number.

149165174 is a deficient number, since it is larger than the sum of its proper divisors (87744274).

149165174 is a wasteful number, since it uses less digits than its factorization.

149165174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387230.

The product of its digits is 30240, while the sum is 38.

The square root of 149165174 is about 12213.3195323794. The cubic root of 149165174 is about 530.3417447073.

The spelling of 149165174 in words is "one hundred forty-nine million, one hundred sixty-five thousand, one hundred seventy-four".