1042233145 has 4 divisors (see below), whose sum is σ = 1250679780. Its totient is φ = 833786512.

The previous prime is 1042233133. The next prime is 1042233151. The reversal of 1042233145 is 5413322401.

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 405579321 + 636653824 = 20139^2 + 25232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042233145 - 2¹¹ = 1042231097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104223310 + ... + 104223319.

It is an arithmetic number, because the mean of its divisors is an integer number (312669945).

Almost surely, 2^1042233145 is an apocalyptic number.

It is an amenable number.

1042233145 is a deficient number, since it is larger than the sum of its proper divisors (208446635).

1042233145 is an equidigital number, since it uses as much as digits as its factorization.

1042233145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208446634.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1042233145 is about 32283.6358702052. The cubic root of 1042233145 is about 1013.8840558635.

Adding to 1042233145 its reverse (5413322401), we get a palindrome (6455555546).

The spelling of 1042233145 in words is "one billion, forty-two million, two hundred thirty-three thousand, one hundred forty-five".