149353879 has 2 divisors, whose sum is σ = 149353880. Its totient is φ = 149353878.

The previous prime is 149353873. The next prime is 149353901. The reversal of 149353879 is 978353941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149353879 - 2¹³ = 149345687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149353873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74676939 + 74676940.

It is an arithmetic number, because the mean of its divisors is an integer number (74676940).

Almost surely, 2^149353879 is an apocalyptic number.

149353879 is a deficient number, since it is larger than the sum of its proper divisors (1).

149353879 is an equidigital number, since it uses as much as digits as its factorization.

149353879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 149353879 is about 12221.0424678094. The cubic root of 149353879 is about 530.5652910035.

The spelling of 149353879 in words is "one hundred forty-nine million, three hundred fifty-three thousand, eight hundred seventy-nine".