143420300551 has 16 divisors (see below), whose sum is σ = 160298466048. Its totient is φ = 127183076800.

The previous prime is 143420300501. The next prime is 143420300557. The reversal of 143420300551 is 155003024341.

It is a cyclic number.

It is not a de Polignac number, because 143420300551 - 2⁹ = 143420300039 is a prime.

It is a super-2 number, since 2×143420300551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143420300557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3627576 + ... + 3666898.

It is an arithmetic number, because the mean of its divisors is an integer number (10018654128).

Almost surely, 2^143420300551 is an apocalyptic number.

143420300551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

143420300551 is a deficient number, since it is larger than the sum of its proper divisors (16878165497).

143420300551 is a wasteful number, since it uses less digits than its factorization.

143420300551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47462.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 143420300551 its reverse (155003024341), we get a palindrome (298423324892).

The spelling of 143420300551 in words is "one hundred forty-three billion, four hundred twenty million, three hundred thousand, five hundred fifty-one".