1468155842 has 16 divisors (see below), whose sum is σ = 2222181432. Its totient is φ = 727447680.

The previous prime is 1468155817. The next prime is 1468155851. The reversal of 1468155842 is 2485518641.

It can be written as a sum of positive squares in 4 ways, for example, as 589566961 + 878588881 = 24281^2 + 29641^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1468155793 and 1468155802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163592 + ... + 172332.

Almost surely, 2^1468155842 is an apocalyptic number.

1468155842 is a deficient number, since it is larger than the sum of its proper divisors (754025590).

1468155842 is a wasteful number, since it uses less digits than its factorization.

1468155842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9493.

The product of its digits is 307200, while the sum is 44.

The square root of 1468155842 is about 38316.5217889098. The cubic root of 1468155842 is about 1136.5556864649. Note that the first 3 decimals are identical.

The spelling of 1468155842 in words is "one billion, four hundred sixty-eight million, one hundred fifty-five thousand, eight hundred forty-two".