1044635142 has 32 divisors (see below), whose sum is σ = 2220214752. Its totient is φ = 326536704.

The previous prime is 1044635101. The next prime is 1044635147. The reversal of 1044635142 is 2415364401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044635147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9768 + ... + 46740.

It is an arithmetic number, because the mean of its divisors is an integer number (69381711).

Almost surely, 2^1044635142 is an apocalyptic number.

1044635142 is an abundant number, since it is smaller than the sum of its proper divisors (1175579610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1044635142 is a wasteful number, since it uses less digits than its factorization.

1044635142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37272.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1044635142 is about 32320.8159241069. The cubic root of 1044635142 is about 1014.6623455641.

Adding to 1044635142 its reverse (2415364401), we get a palindrome (3459999543).

The spelling of 1044635142 in words is "one billion, forty-four million, six hundred thirty-five thousand, one hundred forty-two".