148257 has 24 divisors (see below), whose sum is σ = 245600. Its totient is φ = 88128.

The previous prime is 148249. The next prime is 148279. The reversal of 148257 is 752841.

It is not a de Polignac number, because 148257 - 2³ = 148249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 148257.

It is not an unprimeable number, because it can be changed into a prime (148207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7794 + ... + 7812.

2¹⁴⁸²⁵⁷ is an apocalyptic number.

148257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

148257 is a deficient number, since it is larger than the sum of its proper divisors (97343).

148257 is a wasteful number, since it uses less digits than its factorization.

148257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 39 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 148257 is about 385.0415561988. The cubic root of 148257 is about 52.9263245921.

The spelling of 148257 in words is "one hundred forty-eight thousand, two hundred fifty-seven".