148813421437 has 2 divisors, whose sum is σ = 148813421438. Its totient is φ = 148813421436.

The previous prime is 148813421417. The next prime is 148813421453. The reversal of 148813421437 is 734124318841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137606870116 + 11206551321 = 370954^2 + 105861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148813421437 is a prime.

It is a super-2 number, since 2×148813421437² (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 (148813421417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74406710718 + 74406710719.

It is an arithmetic number, because the mean of its divisors is an integer number (74406710719).

Almost surely, 2^148813421437 is an apocalyptic number.

It is an amenable number.

148813421437 is a deficient number, since it is larger than the sum of its proper divisors (1).

148813421437 is an equidigital number, since it uses as much as digits as its factorization.

148813421437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 46.

The spelling of 148813421437 in words is "one hundred forty-eight billion, eight hundred thirteen million, four hundred twenty-one thousand, four hundred thirty-seven".