148959978031 has 2 divisors, whose sum is σ = 148959978032. Its totient is φ = 148959978030.

The previous prime is 148959977983. The next prime is 148959978053. The reversal of 148959978031 is 130879959841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148959978031 - 2⁹ = 148959977519 is a prime.

It is a super-2 number, since 2×148959978031² (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 (148959978931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74479989015 + 74479989016.

It is an arithmetic number, because the mean of its divisors is an integer number (74479989016).

Almost surely, 2^148959978031 is an apocalyptic number.

148959978031 is a deficient number, since it is larger than the sum of its proper divisors (1).

148959978031 is an equidigital number, since it uses as much as digits as its factorization.

148959978031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 64.

The spelling of 148959978031 in words is "one hundred forty-eight billion, nine hundred fifty-nine million, nine hundred seventy-eight thousand, thirty-one".