149194506 has 16 divisors (see below), whose sum is σ = 308014848. Its totient is φ = 48127200.

The previous prime is 149194489. The next prime is 149194511. The reversal of 149194506 is 605491941.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 400875 + ... + 401246.

It is an arithmetic number, because the mean of its divisors is an integer number (19250928).

Almost surely, 2^149194506 is an apocalyptic number.

149194506 is an abundant number, since it is smaller than the sum of its proper divisors (158820342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149194506 is a wasteful number, since it uses less digits than its factorization.

149194506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802157.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 149194506 is about 12214.5202934868. The cubic root of 149194506 is about 530.3765047524.

The spelling of 149194506 in words is "one hundred forty-nine million, one hundred ninety-four thousand, five hundred six".