148298642 has 18 divisors (see below), whose sum is σ = 227385333. Its totient is φ = 72539064.

The previous prime is 148298639. The next prime is 148298669. The reversal of 148298642 is 246892841.

It can be written as a sum of positive squares in 2 ways, for example, as 142301041 + 5997601 = 11929^2 + 2449^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8611.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148298593 and 148298602.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1360484 + ... + 1360592.

Almost surely, 2^148298642 is an apocalyptic number.

148298642 is a deficient number, since it is larger than the sum of its proper divisors (79086691).

148298642 is an frugal number, since it uses more digits than its factorization.

148298642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 190 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 148298642 is about 12177.7929855947. The cubic root of 148298642 is about 529.3127939285.

The spelling of 148298642 in words is "one hundred forty-eight million, two hundred ninety-eight thousand, six hundred forty-two".