142786544421 has 32 divisors (see below), whose sum is σ = 199918338048. Its totient is φ = 90476400960.

The previous prime is 142786544399. The next prime is 142786544429. The reversal of 142786544421 is 124445687241.

It is not a de Polignac number, because 142786544421 - 2⁵ = 142786544389 is a prime.

It is a super-3 number, since 3×142786544421³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142786544429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13134030 + ... + 13144896.

It is an arithmetic number, because the mean of its divisors is an integer number (6247448064).

Almost surely, 2^142786544421 is an apocalyptic number.

It is an amenable number.

142786544421 is a deficient number, since it is larger than the sum of its proper divisors (57131793627).

142786544421 is a wasteful number, since it uses less digits than its factorization.

142786544421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12081.

The product of its digits is 1720320, while the sum is 48.

The spelling of 142786544421 in words is "one hundred forty-two billion, seven hundred eighty-six million, five hundred forty-four thousand, four hundred twenty-one".