142323541505051 has 4 divisors (see below), whose sum is σ = 148511521570512. Its totient is φ = 136135561439592.

The previous prime is 142323541505039. The next prime is 142323541505063. The reversal of 142323541505051 is 150505145323241.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (142323541505039) and next prime (142323541505063).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142323541505051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142323541505021) 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, 3093990032696 + ... + 3093990032741.

It is an arithmetic number, because the mean of its divisors is an integer number (37127880392628).

Almost surely, 2^{142323541505051} is an apocalyptic number.

142323541505051 is a deficient number, since it is larger than the sum of its proper divisors (6187980065461).

142323541505051 is an equidigital number, since it uses as much as digits as its factorization.

142323541505051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6187980065460.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 142323541505051 its reverse (150505145323241), we get a palindrome (292828686828292).

The spelling of 142323541505051 in words is "one hundred forty-two trillion, three hundred twenty-three billion, five hundred forty-one million, five hundred five thousand, fifty-one".