149764733 has 2 divisors, whose sum is σ = 149764734. Its totient is φ = 149764732.

The previous prime is 149764723. The next prime is 149764739. The reversal of 149764733 is 337467941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102677689 + 47087044 = 10133^2 + 6862^2 .

It is an emirp because it is prime and its reverse (337467941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149764733 - 2⁴ = 149764717 is a prime.

It is a super-2 number, since 2×149764733² = 44858950501122578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149764739) 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, 74882366 + 74882367.

It is an arithmetic number, because the mean of its divisors is an integer number (74882367).

Almost surely, 2^149764733 is an apocalyptic number.

It is an amenable number.

149764733 is a deficient number, since it is larger than the sum of its proper divisors (1).

149764733 is an equidigital number, since it uses as much as digits as its factorization.

149764733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 149764733 is about 12237.8402097756. The cubic root of 149764733 is about 531.0513520180.

The spelling of 149764733 in words is "one hundred forty-nine million, seven hundred sixty-four thousand, seven hundred thirty-three".