148518842 has 4 divisors (see below), whose sum is σ = 222778266. Its totient is φ = 74259420.

The previous prime is 148518841. The next prime is 148518857. The reversal of 148518842 is 248815841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 148084561 + 434281 = 12169^2 + 659^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 148518842.

It is not an unprimeable number, because it can be changed into a prime (148518841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37129709 + ... + 37129712.

Almost surely, 2^148518842 is an apocalyptic number.

148518842 is a deficient number, since it is larger than the sum of its proper divisors (74259424).

148518842 is an equidigital number, since it uses as much as digits as its factorization.

148518842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74259423.

The product of its digits is 81920, while the sum is 41.

The square root of 148518842 is about 12186.8306790568. The cubic root of 148518842 is about 529.5746462619.

The spelling of 148518842 in words is "one hundred forty-eight million, five hundred eighteen thousand, eight hundred forty-two".