142278241965 has 32 divisors (see below), whose sum is σ = 232131384576. Its totient is φ = 74400921600.

The previous prime is 142278241951. The next prime is 142278242003. The reversal of 142278241965 is 569142872241.

It is a happy number.

It is not a de Polignac number, because 142278241965 - 2⁶ = 142278241901 is a prime.

It is a super-2 number, since 2×142278241965² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299844 + ... + 611933.

It is an arithmetic number, because the mean of its divisors is an integer number (7254105768).

Almost surely, 2^142278241965 is an apocalyptic number.

142278241965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142278241965 is a deficient number, since it is larger than the sum of its proper divisors (89853142611).

142278241965 is a wasteful number, since it uses less digits than its factorization.

142278241965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911989.

The product of its digits is 1935360, while the sum is 51.

The spelling of 142278241965 in words is "one hundred forty-two billion, two hundred seventy-eight million, two hundred forty-one thousand, nine hundred sixty-five".