148886845021 has 2 divisors, whose sum is σ = 148886845022. Its totient is φ = 148886845020.

The previous prime is 148886844949. The next prime is 148886845027. The reversal of 148886845021 is 120548688841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96543811225 + 52343033796 = 310715^2 + 228786^2 .

It is a cyclic number.

It is not a de Polignac number, because 148886845021 - 2⁷ = 148886844893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148886845027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74443422510 + 74443422511.

It is an arithmetic number, because the mean of its divisors is an integer number (74443422511).

Almost surely, 2^148886845021 is an apocalyptic number.

It is an amenable number.

148886845021 is a deficient number, since it is larger than the sum of its proper divisors (1).

148886845021 is an equidigital number, since it uses as much as digits as its factorization.

148886845021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3932160, while the sum is 55.

The spelling of 148886845021 in words is "one hundred forty-eight billion, eight hundred eighty-six million, eight hundred forty-five thousand, twenty-one".