149922699 has 4 divisors (see below), whose sum is σ = 199896936. Its totient is φ = 99948464.

The previous prime is 149922697. The next prime is 149922709. The reversal of 149922699 is 996229941.

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 149922699 - 2¹ = 149922697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149922697) 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, 24987114 + ... + 24987119.

It is an arithmetic number, because the mean of its divisors is an integer number (49974234).

Almost surely, 2^149922699 is an apocalyptic number.

149922699 is a deficient number, since it is larger than the sum of its proper divisors (49974237).

149922699 is an equidigital number, since it uses as much as digits as its factorization.

149922699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49974236.

The product of its digits is 629856, while the sum is 51.

The square root of 149922699 is about 12244.2925071235. The cubic root of 149922699 is about 531.2379971636.

The spelling of 149922699 in words is "one hundred forty-nine million, nine hundred twenty-two thousand, six hundred ninety-nine".