148313657 has 4 divisors (see below), whose sum is σ = 148338036. Its totient is φ = 148289280.

The previous prime is 148313647. The next prime is 148313681. The reversal of 148313657 is 756313841.

148313657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 51566761 + 96746896 = 7181^2 + 9836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148313657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148313657.

It is not an unprimeable number, because it can be changed into a prime (148313647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5333 + ... + 18029.

It is an arithmetic number, because the mean of its divisors is an integer number (37084509).

Almost surely, 2^148313657 is an apocalyptic number.

It is an amenable number.

148313657 is a deficient number, since it is larger than the sum of its proper divisors (24379).

148313657 is a wasteful number, since it uses less digits than its factorization.

148313657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24378.

The product of its digits is 60480, while the sum is 38.

The square root of 148313657 is about 12178.4094610093. The cubic root of 148313657 is about 529.3306573499.

The spelling of 148313657 in words is "one hundred forty-eight million, three hundred thirteen thousand, six hundred fifty-seven".