148557842 has 8 divisors (see below), whose sum is σ = 228271932. Its totient is φ = 72467200.

The previous prime is 148557817. The next prime is 148557863. The reversal of 148557842 is 248755841.

It can be written as a sum of positive squares in 2 ways, for example, as 100380361 + 48177481 = 10019^2 + 6941^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 148557793 and 148557802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905759 + ... + 905922.

Almost surely, 2^148557842 is an apocalyptic number.

148557842 is a deficient number, since it is larger than the sum of its proper divisors (79714090).

148557842 is a wasteful number, since it uses less digits than its factorization.

148557842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811724.

The product of its digits is 358400, while the sum is 44.

The square root of 148557842 is about 12188.4306619023. The cubic root of 148557842 is about 529.6209963936.

The spelling of 148557842 in words is "one hundred forty-eight million, five hundred fifty-seven thousand, eight hundred forty-two".