149056018 has 8 divisors (see below), whose sum is σ = 224755200. Its totient is φ = 74137620.

The previous prime is 149056013. The next prime is 149056057. The reversal of 149056018 is 810650941.

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

It is not an unprimeable number, because it can be changed into a prime (149056013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 194718 + ... + 195481.

It is an arithmetic number, because the mean of its divisors is an integer number (28094400).

Almost surely, 2^149056018 is an apocalyptic number.

149056018 is a deficient number, since it is larger than the sum of its proper divisors (75699182).

149056018 is a wasteful number, since it uses less digits than its factorization.

149056018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390392.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 149056018 is about 12208.8499867924. The cubic root of 149056018 is about 530.2123487530.

The spelling of 149056018 in words is "one hundred forty-nine million, fifty-six thousand, eighteen".