4251143142 has 48 divisors (see below), whose sum is σ = 9672018480. Its totient is φ = 1384060608.

The previous prime is 4251143123. The next prime is 4251143159. The reversal of 4251143142 is 2413411524.

4251143142 is a `hidden beast` number, since 4 + 2 + 511 + 4 + 3 + 142 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78558 + ... + 121134.

It is an arithmetic number, because the mean of its divisors is an integer number (201500385).

Almost surely, 2^4251143142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4251143142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4836009240).

4251143142 is an abundant number, since it is smaller than the sum of its proper divisors (5420875338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4251143142 is a wasteful number, since it uses less digits than its factorization.

4251143142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42674 (or 42625 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 4251143142 is about 65200.7909614600. The cubic root of 4251143142 is about 1619.9511164948.

Adding to 4251143142 its reverse (2413411524), we get a palindrome (6664554666).

The spelling of 4251143142 in words is "four billion, two hundred fifty-one million, one hundred forty-three thousand, one hundred forty-two".