1042456345 has 32 divisors (see below), whose sum is σ = 1453858560. Its totient is φ = 702812160.

The previous prime is 1042456277. The next prime is 1042456351. The reversal of 1042456345 is 5436542401.

It is not a de Polignac number, because 1042456345 - 2⁹ = 1042455833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042456345.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 699361 + ... + 700849.

It is an arithmetic number, because the mean of its divisors is an integer number (45433080).

Almost surely, 2^1042456345 is an apocalyptic number.

It is an amenable number.

1042456345 is a deficient number, since it is larger than the sum of its proper divisors (411402215).

1042456345 is a wasteful number, since it uses less digits than its factorization.

1042456345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 1042456345 is about 32287.0925448545. The cubic root of 1042456345 is about 1013.9564269927.

Adding to 1042456345 its reverse (5436542401), we get a palindrome (6478998746).

The spelling of 1042456345 in words is "one billion, forty-two million, four hundred fifty-six thousand, three hundred forty-five".