149057643233 has 2 divisors, whose sum is σ = 149057643234. Its totient is φ = 149057643232.

The previous prime is 149057643211. The next prime is 149057643253. The reversal of 149057643233 is 332346750941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86563643089 + 62494000144 = 294217^2 + 249988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149057643233 is a prime.

It is not a weakly prime, because it can be changed into another prime (149057643253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74528821616 + 74528821617.

It is an arithmetic number, because the mean of its divisors is an integer number (74528821617).

Almost surely, 2^149057643233 is an apocalyptic number.

It is an amenable number.

149057643233 is a deficient number, since it is larger than the sum of its proper divisors (1).

149057643233 is an equidigital number, since it uses as much as digits as its factorization.

149057643233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 149057643233 in words is "one hundred forty-nine billion, fifty-seven million, six hundred forty-three thousand, two hundred thirty-three".