148689257408 has 14 divisors (see below), whose sum is σ = 295055245296. Its totient is φ = 74344628672.

The previous prime is 148689257407. The next prime is 148689257443. The reversal of 148689257408 is 804752986841.

148689257408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148689257407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161634760 + ... + 1161634887.

It is an arithmetic number, because the mean of its divisors is an integer number (21075374664).

Almost surely, 2^148689257408 is an apocalyptic number.

It is an amenable number.

148689257408 is a deficient number, since it is larger than the sum of its proper divisors (146365987888).

148689257408 is an equidigital number, since it uses as much as digits as its factorization.

148689257408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323269659 (or 2323269649 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 62.

The spelling of 148689257408 in words is "one hundred forty-eight billion, six hundred eighty-nine million, two hundred fifty-seven thousand, four hundred eight".