142441623555 has 64 divisors (see below), whose sum is σ = 284314641408. Its totient is φ = 59160821760.

The previous prime is 142441623551. The next prime is 142441623557. The reversal of 142441623555 is 555326144241.

It is not a de Polignac number, because 142441623555 - 2² = 142441623551 is a prime.

It is a super-2 number, since 2×142441623555² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142441623551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1923699 + ... + 1996371.

It is an arithmetic number, because the mean of its divisors is an integer number (4442416272).

Almost surely, 2^142441623555 is an apocalyptic number.

142441623555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142441623555 is a deficient number, since it is larger than the sum of its proper divisors (141873017853).

142441623555 is a wasteful number, since it uses less digits than its factorization.

142441623555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74396.

The product of its digits is 576000, while the sum is 42.

Adding to 142441623555 its reverse (555326144241), we get a palindrome (697767767796).

The spelling of 142441623555 in words is "one hundred forty-two billion, four hundred forty-one million, six hundred twenty-three thousand, five hundred fifty-five".