148621092461 has 2 divisors, whose sum is σ = 148621092462. Its totient is φ = 148621092460.

The previous prime is 148621092427. The next prime is 148621092509. The reversal of 148621092461 is 164290126841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111568692361 + 37052400100 = 334019^2 + 192490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148621092461 is a prime.

It is a super-2 number, since 2×148621092461² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148621092161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74310546230 + 74310546231.

It is an arithmetic number, because the mean of its divisors is an integer number (74310546231).

Almost surely, 2^148621092461 is an apocalyptic number.

It is an amenable number.

148621092461 is a deficient number, since it is larger than the sum of its proper divisors (1).

148621092461 is an equidigital number, since it uses as much as digits as its factorization.

148621092461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 148621092461 in words is "one hundred forty-eight billion, six hundred twenty-one million, ninety-two thousand, four hundred sixty-one".