149566933 has 2 divisors, whose sum is σ = 149566934. Its totient is φ = 149566932.

The previous prime is 149566927. The next prime is 149566951. The reversal of 149566933 is 339665941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81306289 + 68260644 = 9017^2 + 8262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149566933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149566973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74783466 + 74783467.

It is an arithmetic number, because the mean of its divisors is an integer number (74783467).

Almost surely, 2^149566933 is an apocalyptic number.

It is an amenable number.

149566933 is a deficient number, since it is larger than the sum of its proper divisors (1).

149566933 is an equidigital number, since it uses as much as digits as its factorization.

149566933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 46.

The square root of 149566933 is about 12229.7560482620. The cubic root of 149566933 is about 530.8174557516.

The spelling of 149566933 in words is "one hundred forty-nine million, five hundred sixty-six thousand, nine hundred thirty-three".