143042642651 has 4 divisors (see below), whose sum is σ = 147975147600. Its totient is φ = 138110137704.

The previous prime is 143042642627. The next prime is 143042642657. The reversal of 143042642651 is 156246240341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156246240341 = 1613 ⋅96866857.

It is a cyclic number.

It is not a de Polignac number, because 143042642651 - 2²² = 143038448347 is a prime.

It is a super-2 number, since 2×143042642651² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143042642657) 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, 2466252431 + ... + 2466252488.

It is an arithmetic number, because the mean of its divisors is an integer number (36993786900).

Almost surely, 2^143042642651 is an apocalyptic number.

143042642651 is a deficient number, since it is larger than the sum of its proper divisors (4932504949).

143042642651 is an equidigital number, since it uses as much as digits as its factorization.

143042642651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932504948.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 143042642651 its reverse (156246240341), we get a palindrome (299288882992).

The spelling of 143042642651 in words is "one hundred forty-three billion, forty-two million, six hundred forty-two thousand, six hundred fifty-one".