149806808 has 32 divisors (see below), whose sum is σ = 291643200. Its totient is φ = 72054528.

The previous prime is 149806807. The next prime is 149806817. The reversal of 149806808 is 808608941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149806807) by changing a digit.

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, 71585 + ... + 73647.

It is an arithmetic number, because the mean of its divisors is an integer number (9113850).

Almost surely, 2^149806808 is an apocalyptic number.

It is an amenable number.

149806808 is a deficient number, since it is larger than the sum of its proper divisors (141836392).

149806808 is a wasteful number, since it uses less digits than its factorization.

149806808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 149806808 is about 12239.5591423874. The cubic root of 149806808 is about 531.1010786639.

The spelling of 149806808 in words is "one hundred forty-nine million, eight hundred six thousand, eight hundred eight".