149253833 has 2 divisors, whose sum is σ = 149253834. Its totient is φ = 149253832.

The previous prime is 149253791. The next prime is 149253851. The reversal of 149253833 is 338352941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82210489 + 67043344 = 9067^2 + 8188^2 .

It is a cyclic number.

It is not a de Polignac number, because 149253833 - 2²² = 145059529 is a prime.

It is not a weakly prime, because it can be changed into another prime (149253133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74626916 + 74626917.

It is an arithmetic number, because the mean of its divisors is an integer number (74626917).

Almost surely, 2^149253833 is an apocalyptic number.

It is an amenable number.

149253833 is a deficient number, since it is larger than the sum of its proper divisors (1).

149253833 is an equidigital number, since it uses as much as digits as its factorization.

149253833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 149253833 is about 12216.9485961102. The cubic root of 149253833 is about 530.4467966103.

The spelling of 149253833 in words is "one hundred forty-nine million, two hundred fifty-three thousand, eight hundred thirty-three".