1468240142 has 16 divisors (see below), whose sum is σ = 2279708160. Its totient is φ = 708650208.

The previous prime is 1468240133. The next prime is 1468240157. The reversal of 1468240142 is 2410428641.

It is a super-2 number, since 2×1468240142² = 4311458229160360328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1468240099 and 1468240108.

It is a congruent number.

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, 68717 + ... + 87512.

It is an arithmetic number, because the mean of its divisors is an integer number (142481760).

Almost surely, 2^1468240142 is an apocalyptic number.

1468240142 is a deficient number, since it is larger than the sum of its proper divisors (811468018).

1468240142 is a wasteful number, since it uses less digits than its factorization.

1468240142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156395.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 1468240142 is about 38317.6218207759. The cubic root of 1468240142 is about 1136.5774393352.

Adding to 1468240142 its reverse (2410428641), we get a palindrome (3878668783).

The spelling of 1468240142 in words is "one billion, four hundred sixty-eight million, two hundred forty thousand, one hundred forty-two".