142110431551 has 8 divisors (see below), whose sum is σ = 158634900864. Its totient is φ = 126186852120.

The previous prime is 142110431537. The next prime is 142110431557. The reversal of 142110431551 is 155134011241.

It is a happy number.

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-142110431551 is a prime.

It is a super-2 number, since 2×142110431551² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142110431557) 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, 150221971 + ... + 150222916.

It is an arithmetic number, because the mean of its divisors is an integer number (19829362608).

Almost surely, 2^142110431551 is an apocalyptic number.

142110431551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142110431551 is a deficient number, since it is larger than the sum of its proper divisors (16524469313).

142110431551 is a wasteful number, since it uses less digits than its factorization.

142110431551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300444941.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 142110431551 its reverse (155134011241), we get a palindrome (297244442792).

The spelling of 142110431551 in words is "one hundred forty-two billion, one hundred ten million, four hundred thirty-one thousand, five hundred fifty-one".