149940658 has 16 divisors (see below), whose sum is σ = 257765760. Its totient is φ = 64079136.

The previous prime is 149940641. The next prime is 149940671. The reversal of 149940658 is 856049941.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9891 + ... + 19942.

It is an arithmetic number, because the mean of its divisors is an integer number (16110360).

Almost surely, 2^149940658 is an apocalyptic number.

149940658 is a deficient number, since it is larger than the sum of its proper divisors (107825102).

149940658 is a wasteful number, since it uses less digits than its factorization.

149940658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30201.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 149940658 is about 12245.0258472573. The cubic root of 149940658 is about 531.2592083663.

The spelling of 149940658 in words is "one hundred forty-nine million, nine hundred forty thousand, six hundred fifty-eight".