142431544425 has 48 divisors (see below), whose sum is σ = 249314132160. Its totient is φ = 71549303040.

The previous prime is 142431544421. The next prime is 142431544447. The reversal of 142431544425 is 524445134241.

It is not a de Polignac number, because 142431544425 - 2² = 142431544421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142431544421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42354 + ... + 535403.

It is an arithmetic number, because the mean of its divisors is an integer number (5194044420).

Almost surely, 2^142431544425 is an apocalyptic number.

142431544425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142431544425 is a deficient number, since it is larger than the sum of its proper divisors (106882587735).

142431544425 is a wasteful number, since it uses less digits than its factorization.

142431544425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577962 (or 577957 counting only the distinct ones).

The product of its digits is 307200, while the sum is 39.

Adding to 142431544425 its reverse (524445134241), we get a palindrome (666876678666).

The spelling of 142431544425 in words is "one hundred forty-two billion, four hundred thirty-one million, five hundred forty-four thousand, four hundred twenty-five".