1431254542 has 8 divisors (see below), whose sum is σ = 2150171496. Its totient is φ = 714530712.

The previous prime is 1431254533. The next prime is 1431254543. The reversal of 1431254542 is 2454521341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431254543) 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, 546648 + ... + 549259.

It is an arithmetic number, because the mean of its divisors is an integer number (268771437).

Almost surely, 2^1431254542 is an apocalyptic number.

1431254542 is a deficient number, since it is larger than the sum of its proper divisors (718916954).

1431254542 is a wasteful number, since it uses less digits than its factorization.

1431254542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096562.

The product of its digits is 19200, while the sum is 31.

The square root of 1431254542 is about 37831.9249047679. The cubic root of 1431254542 is about 1126.9525379926.

Adding to 1431254542 its reverse (2454521341), we get a palindrome (3885775883).

The spelling of 1431254542 in words is "one billion, four hundred thirty-one million, two hundred fifty-four thousand, five hundred forty-two".