148689808457 has 16 divisors (see below), whose sum is σ = 158031482112. Its totient is φ = 139414629120.

The previous prime is 148689808387. The next prime is 148689808481. The reversal of 148689808457 is 754808986841.

It is a cyclic number.

It is not a de Polignac number, because 148689808457 - 2³⁴ = 131509939273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148689108457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26032832 + ... + 26038542.

It is an arithmetic number, because the mean of its divisors is an integer number (9876967632).

Almost surely, 2^148689808457 is an apocalyptic number.

148689808457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

148689808457 is a deficient number, since it is larger than the sum of its proper divisors (9341673655).

148689808457 is a wasteful number, since it uses less digits than its factorization.

148689808457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248.

The product of its (nonzero) digits is 123863040, while the sum is 68.

The spelling of 148689808457 in words is "one hundred forty-eight billion, six hundred eighty-nine million, eight hundred eight thousand, four hundred fifty-seven".