149053633 has 2 divisors, whose sum is σ = 149053634. Its totient is φ = 149053632.

The previous prime is 149053631. The next prime is 149053643. The reversal of 149053633 is 336350941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144288144 + 4765489 = 12012^2 + 2183^2 .

It is a cyclic number.

It is not a de Polignac number, because 149053633 - 2¹ = 149053631 is a prime.

Together with 149053631, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (149053631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74526816 + 74526817.

It is an arithmetic number, because the mean of its divisors is an integer number (74526817).

Almost surely, 2^149053633 is an apocalyptic number.

It is an amenable number.

149053633 is a deficient number, since it is larger than the sum of its proper divisors (1).

149053633 is an equidigital number, since it uses as much as digits as its factorization.

149053633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 149053633 is about 12208.7523113543. The cubic root of 149053633 is about 530.2095208158.

The spelling of 149053633 in words is "one hundred forty-nine million, fifty-three thousand, six hundred thirty-three".