149322149 has 4 divisors (see below), whose sum is σ = 152499264. Its totient is φ = 146145036.

The previous prime is 149322143. The next prime is 149322167. The reversal of 149322149 is 941223941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941223941 = 7 ⋅134460563.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149322149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149322143) 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, 1588487 + ... + 1588580.

It is an arithmetic number, because the mean of its divisors is an integer number (38124816).

Almost surely, 2^149322149 is an apocalyptic number.

It is an amenable number.

149322149 is a deficient number, since it is larger than the sum of its proper divisors (3177115).

149322149 is an equidigital number, since it uses as much as digits as its factorization.

149322149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177114.

The product of its digits is 15552, while the sum is 35.

The square root of 149322149 is about 12219.7442280925. The cubic root of 149322149 is about 530.5277157513.

The spelling of 149322149 in words is "one hundred forty-nine million, three hundred twenty-two thousand, one hundred forty-nine".