142406311057 has 8 divisors (see below), whose sum is σ = 150354260960. Its totient is φ = 134503649280.

The previous prime is 142406311049. The next prime is 142406311109. The reversal of 142406311057 is 750113604241.

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

It is a cyclic number.

It is not a de Polignac number, because 142406311057 - 2³ = 142406311049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142406311027) 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, 11315568 + ... + 11328145.

It is an arithmetic number, because the mean of its divisors is an integer number (18794282620).

Almost surely, 2^142406311057 is an apocalyptic number.

It is an amenable number.

142406311057 is a deficient number, since it is larger than the sum of its proper divisors (7947949903).

142406311057 is a wasteful number, since it uses less digits than its factorization.

142406311057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22644063.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 142406311057 its reverse (750113604241), we get a palindrome (892519915298).

The spelling of 142406311057 in words is "one hundred forty-two billion, four hundred six million, three hundred eleven thousand, fifty-seven".