142120226265 has 16 divisors (see below), whose sum is σ = 227489304768. Its totient is φ = 75765139776.

The previous prime is 142120226243. The next prime is 142120226317. The reversal of 142120226265 is 562622021241.

It is not a de Polignac number, because 142120226265 - 2¹² = 142120222169 is a prime.

It is a super-2 number, since 2×142120226265² (a number of 23 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1983262 + ... + 2053671.

It is an arithmetic number, because the mean of its divisors is an integer number (14218081548).

Almost surely, 2^142120226265 is an apocalyptic number.

142120226265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142120226265 is a deficient number, since it is larger than the sum of its proper divisors (85369078503).

142120226265 is a wasteful number, since it uses less digits than its factorization.

142120226265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039288.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 142120226265 in words is "one hundred forty-two billion, one hundred twenty million, two hundred twenty-six thousand, two hundred sixty-five".