142323404130454 has 8 divisors (see below), whose sum is σ = 213485195752488. Its totient is φ = 71161672212960.

The previous prime is 142323404130449. The next prime is 142323404130487. The reversal of 142323404130454 is 454031404323241.

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

It is a super-2 number, since 2×142323404130454² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8395107 + ... + 18844750.

It is an arithmetic number, because the mean of its divisors is an integer number (26685649469061).

Almost surely, 2^{142323404130454} is an apocalyptic number.

142323404130454 is a deficient number, since it is larger than the sum of its proper divisors (71161791622034).

142323404130454 is a wasteful number, since it uses less digits than its factorization.

142323404130454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29852270.

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 142323404130454 its reverse (454031404323241), we get a palindrome (596354808453695).

The spelling of 142323404130454 in words is "one hundred forty-two trillion, three hundred twenty-three billion, four hundred four million, one hundred thirty thousand, four hundred fifty-four".