149018678 has 8 divisors (see below), whose sum is σ = 223747920. Its totient is φ = 74436040.

The previous prime is 149018671. The next prime is 149018687. The reversal of 149018678 is 876810941.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149018671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34073 + ... + 38196.

It is an arithmetic number, because the mean of its divisors is an integer number (27968490).

Almost surely, 2^149018678 is an apocalyptic number.

149018678 is a deficient number, since it is larger than the sum of its proper divisors (74729242).

149018678 is a wasteful number, since it uses less digits than its factorization.

149018678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73302.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 149018678 is about 12207.3206724490. The cubic root of 149018678 is about 530.1680705843.

The spelling of 149018678 in words is "one hundred forty-nine million, eighteen thousand, six hundred seventy-eight".