149272018 has 16 divisors (see below), whose sum is σ = 269363520. Its totient is φ = 60606576.

The previous prime is 149272003. The next prime is 149272061. The reversal of 149272018 is 810272941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280321 + ... + 280852.

It is an arithmetic number, because the mean of its divisors is an integer number (16835220).

Almost surely, 2^149272018 is an apocalyptic number.

149272018 is a deficient number, since it is larger than the sum of its proper divisors (120091502).

149272018 is a wasteful number, since it uses less digits than its factorization.

149272018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561201.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 149272018 is about 12217.6928263891. The cubic root of 149272018 is about 530.4683388450.

The spelling of 149272018 in words is "one hundred forty-nine million, two hundred seventy-two thousand, eighteen".