149173862 has 8 divisors (see below), whose sum is σ = 229808496. Its totient is φ = 72571032.

The previous prime is 149173813. The next prime is 149173873. The reversal of 149173862 is 268371941.

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

It is a super-2 number, since 2×149173862² = 44505682207990088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1007858 + ... + 1008005.

It is an arithmetic number, because the mean of its divisors is an integer number (28726062).

Almost surely, 2^149173862 is an apocalyptic number.

149173862 is a deficient number, since it is larger than the sum of its proper divisors (80634634).

149173862 is a wasteful number, since it uses less digits than its factorization.

149173862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015902.

The product of its digits is 72576, while the sum is 41.

The square root of 149173862 is about 12213.6752044583. The cubic root of 149173862 is about 530.3520409436.

The spelling of 149173862 in words is "one hundred forty-nine million, one hundred seventy-three thousand, eight hundred sixty-two".