149699099 has 16 divisors (see below), whose sum is σ = 165939840. Its totient is φ = 133916160.

The previous prime is 149699087. The next prime is 149699117. The reversal of 149699099 is 990996941.

149699099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149699099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149699699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226832 + ... + 227490.

It is an arithmetic number, because the mean of its divisors is an integer number (10371240).

Almost surely, 2^149699099 is an apocalyptic number.

149699099 is a deficient number, since it is larger than the sum of its proper divisors (16240741).

149699099 is a wasteful number, since it uses less digits than its factorization.

149699099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970.

The product of its (nonzero) digits is 1417176, while the sum is 56.

The square root of 149699099 is about 12235.1583152814. The cubic root of 149699099 is about 530.9737633969.

The spelling of 149699099 in words is "one hundred forty-nine million, six hundred ninety-nine thousand, ninety-nine".