149844478 has 8 divisors (see below), whose sum is σ = 256876272. Its totient is φ = 64219056.

The previous prime is 149844449. The next prime is 149844491. The reversal of 149844478 is 874448941.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5351575 + ... + 5351602.

It is an arithmetic number, because the mean of its divisors is an integer number (32109534).

Almost surely, 2^149844478 is an apocalyptic number.

149844478 is a deficient number, since it is larger than the sum of its proper divisors (107031794).

149844478 is a wasteful number, since it uses less digits than its factorization.

149844478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10703186.

The product of its digits is 1032192, while the sum is 49.

The square root of 149844478 is about 12241.0979082760. The cubic root of 149844478 is about 531.1455913292.

The spelling of 149844478 in words is "one hundred forty-nine million, eight hundred forty-four thousand, four hundred seventy-eight".