142451043131 has 8 divisors (see below), whose sum is σ = 142831339200. Its totient is φ = 142070904000.

The previous prime is 142451043121. The next prime is 142451043157. The reversal of 142451043131 is 131340154241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142451043131 is a prime.

It is a super-2 number, since 2×142451043131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142451043094 and 142451043103.

It is not an unprimeable number, because it can be changed into a prime (142451043101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906505 + ... + 1979813.

It is an arithmetic number, because the mean of its divisors is an integer number (17853917400).

Almost surely, 2^142451043131 is an apocalyptic number.

142451043131 is a deficient number, since it is larger than the sum of its proper divisors (380296069).

142451043131 is an equidigital number, since it uses as much as digits as its factorization.

142451043131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78469.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 142451043131 its reverse (131340154241), we get a palindrome (273791197372).

It can be divided in two parts, 1424510 and 43131, that added together give a palindrome (1467641).

The spelling of 142451043131 in words is "one hundred forty-two billion, four hundred fifty-one million, forty-three thousand, one hundred thirty-one".