149529899 has 4 divisors (see below), whose sum is σ = 149594880. Its totient is φ = 149464920.

The previous prime is 149529871. The next prime is 149529917. The reversal of 149529899 is 998925941.

149529899 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 149529899 - 2¹⁶ = 149464363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149529199) 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, 28907 + ... + 33684.

It is an arithmetic number, because the mean of its divisors is an integer number (37398720).

Almost surely, 2^149529899 is an apocalyptic number.

149529899 is a deficient number, since it is larger than the sum of its proper divisors (64981).

149529899 is an equidigital number, since it uses as much as digits as its factorization.

149529899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64980.

The product of its digits is 2099520, while the sum is 56.

The square root of 149529899 is about 12228.2418605456. The cubic root of 149529899 is about 530.7736405490.

The spelling of 149529899 in words is "one hundred forty-nine million, five hundred twenty-nine thousand, eight hundred ninety-nine".