149812899 has 8 divisors (see below), whose sum is σ = 201995280. Its totient is φ = 98752896.

The previous prime is 149812879. The next prime is 149812913. The reversal of 149812899 is 998218941.

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

It is not a de Polignac number, because 149812899 - 2⁸ = 149812643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149812849) 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, 280282 + ... + 280815.

It is an arithmetic number, because the mean of its divisors is an integer number (25249410).

Almost surely, 2^149812899 is an apocalyptic number.

149812899 is a deficient number, since it is larger than the sum of its proper divisors (52182381).

149812899 is an equidigital number, since it uses as much as digits as its factorization.

149812899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561189.

The product of its digits is 373248, while the sum is 51.

The square root of 149812899 is about 12239.8079641798. The cubic root of 149812899 is about 531.1082765852.

The spelling of 149812899 in words is "one hundred forty-nine million, eight hundred twelve thousand, eight hundred ninety-nine".