149887297 has 8 divisors (see below), whose sum is σ = 178747776. Its totient is φ = 122888832.

The previous prime is 149887279. The next prime is 149887301. The reversal of 149887297 is 792788941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149887297 - 2¹¹ = 149885249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149887237) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 465328 + ... + 465649.

It is an arithmetic number, because the mean of its divisors is an integer number (22343472).

Almost surely, 2^149887297 is an apocalyptic number.

It is an amenable number.

149887297 is a deficient number, since it is larger than the sum of its proper divisors (28860479).

149887297 is an equidigital number, since it uses as much as digits as its factorization.

149887297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931007.

The product of its digits is 2032128, while the sum is 55.

The square root of 149887297 is about 12242.8467686237. The cubic root of 149887297 is about 531.1961792397.

The spelling of 149887297 in words is "one hundred forty-nine million, eight hundred eighty-seven thousand, two hundred ninety-seven".