149887298 has 18 divisors (see below), whose sum is σ = 247442643. Its totient is φ = 68044020.

The previous prime is 149887279. The next prime is 149887301. The reversal of 149887298 is 892788941.

It can be written as a sum of positive squares in only one way, i.e., 74943649 + 74943649 = 8657^2 + 8657^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8657.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 190061 + ... + 190847.

Almost surely, 2^149887298 is an apocalyptic number.

149887298 is a deficient number, since it is larger than the sum of its proper divisors (97555345).

149887298 is an frugal number, since it uses more digits than its factorization.

149887298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 800 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 56.

The square root of 149887298 is about 12242.8468094639. The cubic root of 149887298 is about 531.1961804210.

The spelling of 149887298 in words is "one hundred forty-nine million, eight hundred eighty-seven thousand, two hundred ninety-eight".