148347455261 has 2 divisors, whose sum is σ = 148347455262. Its totient is φ = 148347455260.

The previous prime is 148347455251. The next prime is 148347455357. The reversal of 148347455261 is 162554743841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88131203161 + 60216252100 = 296869^2 + 245390^2 .

It is a cyclic number.

It is not a de Polignac number, because 148347455261 - 2¹⁰ = 148347454237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148347455251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74173727630 + 74173727631.

It is an arithmetic number, because the mean of its divisors is an integer number (74173727631).

Almost surely, 2^148347455261 is an apocalyptic number.

It is an amenable number.

148347455261 is a deficient number, since it is larger than the sum of its proper divisors (1).

148347455261 is an equidigital number, since it uses as much as digits as its factorization.

148347455261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 50.

The spelling of 148347455261 in words is "one hundred forty-eight billion, three hundred forty-seven million, four hundred fifty-five thousand, two hundred sixty-one".