148281657 has 8 divisors (see below), whose sum is σ = 200211840. Its totient is φ = 97602960.

The previous prime is 148281647. The next prime is 148281689. The reversal of 148281657 is 756182841.

148281657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148281657 - 2⁴ = 148281641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148281647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312594 + ... + 313067.

It is an arithmetic number, because the mean of its divisors is an integer number (25026480).

Almost surely, 2^148281657 is an apocalyptic number.

It is an amenable number.

148281657 is a deficient number, since it is larger than the sum of its proper divisors (51930183).

148281657 is an equidigital number, since it uses as much as digits as its factorization.

148281657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625743.

The product of its digits is 107520, while the sum is 42.

The square root of 148281657 is about 12177.0955896716. The cubic root of 148281657 is about 529.2925853347.

The spelling of 148281657 in words is "one hundred forty-eight million, two hundred eighty-one thousand, six hundred fifty-seven".