149947684 has 12 divisors (see below), whose sum is σ = 277844364. Its totient is φ = 70563584.

The previous prime is 149947673. The next prime is 149947711. The reversal of 149947684 is 486749941.

It can be written as a sum of positive squares in 2 ways, for example, as 56400100 + 93547584 = 7510^2 + 9672^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102489 + ... + 1102624.

It is an arithmetic number, because the mean of its divisors is an integer number (23153697).

Almost surely, 2^149947684 is an apocalyptic number.

It is an amenable number.

149947684 is a deficient number, since it is larger than the sum of its proper divisors (127896680).

149947684 is a wasteful number, since it uses less digits than its factorization.

149947684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205134 (or 2205132 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 149947684 is about 12245.3127359002. The cubic root of 149947684 is about 531.2675062466.

The spelling of 149947684 in words is "one hundred forty-nine million, nine hundred forty-seven thousand, six hundred eighty-four".