148257534 has 8 divisors (see below), whose sum is σ = 296515080. Its totient is φ = 49419176.

The previous prime is 148257523. The next prime is 148257569. The reversal of 148257534 is 435752841.

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

148257534 is an admirable number.

It is a super-2 number, since 2×148257534² = 43960592775522312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148257492 and 148257501.

It is a congruent number.

It is an unprimeable number.

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, 12354789 + ... + 12354800.

It is an arithmetic number, because the mean of its divisors is an integer number (37064385).

Almost surely, 2^148257534 is an apocalyptic number.

148257534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148257534 is a wasteful number, since it uses less digits than its factorization.

148257534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24709594.

The product of its digits is 134400, while the sum is 39.

The square root of 148257534 is about 12176.1050422539. The cubic root of 148257534 is about 529.2638813629.

The spelling of 148257534 in words is "one hundred forty-eight million, two hundred fifty-seven thousand, five hundred thirty-four".