7144635142 has 4 divisors (see below), whose sum is σ = 10716952716. Its totient is φ = 3572317570.

The previous prime is 7144635133. The next prime is 7144635143. The reversal of 7144635142 is 2415364417.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×7144635142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7144635143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1786158784 + ... + 1786158787.

It is an arithmetic number, because the mean of its divisors is an integer number (2679238179).

Almost surely, 2^7144635142 is an apocalyptic number.

7144635142 is a deficient number, since it is larger than the sum of its proper divisors (3572317574).

7144635142 is a wasteful number, since it uses less digits than its factorization.

7144635142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572317573.

The product of its digits is 80640, while the sum is 37.

The square root of 7144635142 is about 84525.9436031329. The cubic root of 7144635142 is about 1926.0165669773.

Adding to 7144635142 its reverse (2415364417), we get a palindrome (9559999559).

The spelling of 7144635142 in words is "seven billion, one hundred forty-four million, six hundred thirty-five thousand, one hundred forty-two".