149673174 has 32 divisors (see below), whose sum is σ = 342766080. Its totient is φ = 42681792.

The previous prime is 149673149. The next prime is 149673179. The reversal of 149673174 is 471376941.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149673179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20767 + ... + 27029.

It is an arithmetic number, because the mean of its divisors is an integer number (10711440).

Almost surely, 2^149673174 is an apocalyptic number.

149673174 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

149673174 is an abundant number, since it is smaller than the sum of its proper divisors (193092906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149673174 is a wasteful number, since it uses less digits than its factorization.

149673174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844.

The product of its digits is 127008, while the sum is 42.

The square root of 149673174 is about 12234.0988225533. The cubic root of 149673174 is about 530.9431101518.

The spelling of 149673174 in words is "one hundred forty-nine million, six hundred seventy-three thousand, one hundred seventy-four".