148290690557 has 2 divisors, whose sum is σ = 148290690558. Its totient is φ = 148290690556.

The previous prime is 148290690517. The next prime is 148290690599. The reversal of 148290690557 is 755096092841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141536973796 + 6753716761 = 376214^2 + 82181^2 .

It is an emirp because it is prime and its reverse (755096092841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148290690557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148290690517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74145345278 + 74145345279.

It is an arithmetic number, because the mean of its divisors is an integer number (74145345279).

Almost surely, 2^148290690557 is an apocalyptic number.

It is an amenable number.

148290690557 is a deficient number, since it is larger than the sum of its proper divisors (1).

148290690557 is an equidigital number, since it uses as much as digits as its factorization.

148290690557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 148290690557 in words is "one hundred forty-eight billion, two hundred ninety million, six hundred ninety thousand, five hundred fifty-seven".