148257243 has 16 divisors (see below), whose sum is σ = 221588640. Its totient is φ = 97961472.

The previous prime is 148257227. The next prime is 148257253. The reversal of 148257243 is 342752841.

It is a happy number.

148257243 is a `hidden beast` number, since 1 + 4 + 82 + 572 + 4 + 3 = 666.

It is not a de Polignac number, because 148257243 - 2⁴ = 148257227 is a prime.

It is a super-2 number, since 2×148257243² = 43960420203922098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148257198 and 148257207.

It is not an unprimeable number, because it can be changed into a prime (148257203) 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, 21246 + ... + 27347.

It is an arithmetic number, because the mean of its divisors is an integer number (13849290).

Almost surely, 2^148257243 is an apocalyptic number.

148257243 is a deficient number, since it is larger than the sum of its proper divisors (73331397).

148257243 is a wasteful number, since it uses less digits than its factorization.

148257243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48715 (or 48709 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 148257243 is about 12176.0930926139. The cubic root of 148257243 is about 529.2635350829.

The spelling of 148257243 in words is "one hundred forty-eight million, two hundred fifty-seven thousand, two hundred forty-three".