148771171583 has 2 divisors, whose sum is σ = 148771171584. Its totient is φ = 148771171582.

The previous prime is 148771171553. The next prime is 148771171603. The reversal of 148771171583 is 385171177841.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148771171583 - 2¹⁴ = 148771155199 is a prime.

It is a super-2 number, since 2×148771171583² (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 (148771171553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74385585791 + 74385585792.

It is an arithmetic number, because the mean of its divisors is an integer number (74385585792).

Almost surely, 2^148771171583 is an apocalyptic number.

148771171583 is a deficient number, since it is larger than the sum of its proper divisors (1).

148771171583 is an equidigital number, since it uses as much as digits as its factorization.

148771171583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1317120, while the sum is 53.

The spelling of 148771171583 in words is "one hundred forty-eight billion, seven hundred seventy-one million, one hundred seventy-one thousand, five hundred eighty-three".