148255047557 has 4 divisors (see below), whose sum is σ = 149236869216. Its totient is φ = 147273225900.

The previous prime is 148255047553. The next prime is 148255047581. The reversal of 148255047557 is 755740552841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148255047557 - 2² = 148255047553 is a prime.

It is a super-2 number, since 2×148255047557² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148255047499 and 148255047508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148255047553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490910603 + ... + 490910904.

It is an arithmetic number, because the mean of its divisors is an integer number (37309217304).

Almost surely, 2^148255047557 is an apocalyptic number.

It is an amenable number.

148255047557 is a deficient number, since it is larger than the sum of its proper divisors (981821659).

148255047557 is an equidigital number, since it uses as much as digits as its factorization.

148255047557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981821658.

The product of its (nonzero) digits is 7840000, while the sum is 53.

The spelling of 148255047557 in words is "one hundred forty-eight billion, two hundred fifty-five million, forty-seven thousand, five hundred fifty-seven".