149000278 has 24 divisors (see below), whose sum is σ = 264904992. Its totient is φ = 62650224.

The previous prime is 149000263. The next prime is 149000281. The reversal of 149000278 is 872000941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9150 + ... + 19537.

It is an arithmetic number, because the mean of its divisors is an integer number (11037708).

Almost surely, 2^149000278 is an apocalyptic number.

149000278 is a deficient number, since it is larger than the sum of its proper divisors (115904714).

149000278 is a wasteful number, since it uses less digits than its factorization.

149000278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28756 (or 28749 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 149000278 is about 12206.5670030521. The cubic root of 149000278 is about 530.1462489483.

The spelling of 149000278 in words is "one hundred forty-nine million, two hundred seventy-eight", and thus it is an aban number.