149503386 has 16 divisors (see below), whose sum is σ = 300250368. Its totient is φ = 49627200.

The previous prime is 149503373. The next prime is 149503391. The reversal of 149503386 is 683305941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50250 + ... + 53141.

It is an arithmetic number, because the mean of its divisors is an integer number (18765648).

Almost surely, 2^149503386 is an apocalyptic number.

149503386 is an abundant number, since it is smaller than the sum of its proper divisors (150746982).

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

149503386 is a wasteful number, since it uses less digits than its factorization.

149503386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103637.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 149503386 is about 12227.1577236903. The cubic root of 149503386 is about 530.7422683765.

It can be divided in two parts, 14950 and 3386, that added together give a triangular number (18336 = T₁₉₁).

The spelling of 149503386 in words is "one hundred forty-nine million, five hundred three thousand, three hundred eighty-six".