142201042526 has 4 divisors (see below), whose sum is σ = 213301563792. Its totient is φ = 71100521262.

The previous prime is 142201042523. The next prime is 142201042531. The reversal of 142201042526 is 625240102241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 625240102241 = 623633 ⋅1002577.

It is a super-2 number, since 2×142201042526² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142201042523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35550260630 + ... + 35550260633.

It is an arithmetic number, because the mean of its divisors is an integer number (53325390948).

Almost surely, 2^142201042526 is an apocalyptic number.

142201042526 is a deficient number, since it is larger than the sum of its proper divisors (71100521266).

142201042526 is an equidigital number, since it uses as much as digits as its factorization.

142201042526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71100521265.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 142201042526 its reverse (625240102241), we get a palindrome (767441144767).

The spelling of 142201042526 in words is "one hundred forty-two billion, two hundred one million, forty-two thousand, five hundred twenty-six".