1042451045 has 4 divisors (see below), whose sum is σ = 1250941260. Its totient is φ = 833960832.

The previous prime is 1042451041. The next prime is 1042451051. The reversal of 1042451045 is 5401542401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 376088449 + 666362596 = 19393^2 + 25814^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042451045 - 2² = 1042451041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042451041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104245100 + ... + 104245109.

It is an arithmetic number, because the mean of its divisors is an integer number (312735315).

Almost surely, 2^1042451045 is an apocalyptic number.

It is an amenable number.

1042451045 is a deficient number, since it is larger than the sum of its proper divisors (208490215).

1042451045 is an equidigital number, since it uses as much as digits as its factorization.

1042451045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208490214.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1042451045 is about 32287.0104686080. The cubic root of 1042451045 is about 1013.9547086224.

Adding to 1042451045 its reverse (5401542401), we get a palindrome (6443993446).

The spelling of 1042451045 in words is "one billion, forty-two million, four hundred fifty-one thousand, forty-five".