1431042445 has 16 divisors (see below), whose sum is σ = 1963261440. Its totient is φ = 980941824.

The previous prime is 1431042443. The next prime is 1431042449. The reversal of 1431042445 is 5442401341.

It is a cyclic number.

It is not a de Polignac number, because 1431042445 - 2¹ = 1431042443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431042443) 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, 131949 + ... + 142381.

It is an arithmetic number, because the mean of its divisors is an integer number (122703840).

Almost surely, 2^1431042445 is an apocalyptic number.

It is an amenable number.

1431042445 is a deficient number, since it is larger than the sum of its proper divisors (532218995).

1431042445 is a wasteful number, since it uses less digits than its factorization.

1431042445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14364.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1431042445 is about 37829.1216525047. The cubic root of 1431042445 is about 1126.8968677040.

Adding to 1431042445 its reverse (5442401341), we get a palindrome (6873443786).

The spelling of 1431042445 in words is "one billion, four hundred thirty-one million, forty-two thousand, four hundred forty-five".