149323079 has 4 divisors (see below), whose sum is σ = 149525880. Its totient is φ = 149120280.

The previous prime is 149323073. The next prime is 149323093. The reversal of 149323079 is 970323941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970323941 = 167 ⋅5810323.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149323079 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 (149323073) 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, 100292 + ... + 101769.

It is an arithmetic number, because the mean of its divisors is an integer number (37381470).

Almost surely, 2^149323079 is an apocalyptic number.

149323079 is a deficient number, since it is larger than the sum of its proper divisors (202801).

149323079 is an equidigital number, since it uses as much as digits as its factorization.

149323079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202800.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 149323079 is about 12219.7822812029. The cubic root of 149323079 is about 530.5288171502.

The spelling of 149323079 in words is "one hundred forty-nine million, three hundred twenty-three thousand, seventy-nine".