149038733 has 2 divisors, whose sum is σ = 149038734. Its totient is φ = 149038732.

The previous prime is 149038723. The next prime is 149038759. The reversal of 149038733 is 337830941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141181924 + 7856809 = 11882^2 + 2803^2 .

It is a cyclic number.

It is not a de Polignac number, because 149038733 - 2²⁴ = 132261517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149038723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74519366 + 74519367.

It is an arithmetic number, because the mean of its divisors is an integer number (74519367).

Almost surely, 2^149038733 is an apocalyptic number.

It is an amenable number.

149038733 is a deficient number, since it is larger than the sum of its proper divisors (1).

149038733 is an equidigital number, since it uses as much as digits as its factorization.

149038733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 149038733 is about 12208.1420781379. The cubic root of 149038733 is about 530.1918529357.

The spelling of 149038733 in words is "one hundred forty-nine million, thirty-eight thousand, seven hundred thirty-three".