149501673 has 16 divisors (see below), whose sum is σ = 221707200. Its totient is φ = 99567360.

The previous prime is 149501663. The next prime is 149501701. The reversal of 149501673 is 376105941.

149501673 is a `hidden beast` number, since 1 + 495 + 0 + 167 + 3 = 666.

It is not a de Polignac number, because 149501673 - 2⁴ = 149501657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149501603) 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, 32713 + ... + 37001.

It is an arithmetic number, because the mean of its divisors is an integer number (13856700).

Almost surely, 2^149501673 is an apocalyptic number.

It is an amenable number.

149501673 is a deficient number, since it is larger than the sum of its proper divisors (72205527).

149501673 is a wasteful number, since it uses less digits than its factorization.

149501673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5589 (or 5583 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 149501673 is about 12227.0876745037. The cubic root of 149501673 is about 530.7402412988.

The spelling of 149501673 in words is "one hundred forty-nine million, five hundred one thousand, six hundred seventy-three".