149794899 has 4 divisors (see below), whose sum is σ = 199726536. Its totient is φ = 99863264.

The previous prime is 149794891. The next prime is 149794919. The reversal of 149794899 is 998497941.

149794899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149794899 - 2³ = 149794891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149794891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24965814 + ... + 24965819.

It is an arithmetic number, because the mean of its divisors is an integer number (49931634).

Almost surely, 2^149794899 is an apocalyptic number.

149794899 is a deficient number, since it is larger than the sum of its proper divisors (49931637).

149794899 is an equidigital number, since it uses as much as digits as its factorization.

149794899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49931636.

The product of its digits is 5878656, while the sum is 60.

The square root of 149794899 is about 12239.0726364378. The cubic root of 149794899 is about 531.0870048701.

The spelling of 149794899 in words is "one hundred forty-nine million, seven hundred ninety-four thousand, eight hundred ninety-nine".