142633305305 has 16 divisors (see below), whose sum is σ = 175350695184. Its totient is φ = 111313336320.

The previous prime is 142633305271. The next prime is 142633305307. The reversal of 142633305305 is 503503336241.

It can be written as a sum of positive squares in 8 ways, for example, as 2730376009 + 139902929296 = 52253^2 + 374036^2 .

It is not a de Polignac number, because 142633305305 - 2¹⁴ = 142633288921 is a prime.

It is a super-2 number, since 2×142633305305² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142633305307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2831297 + ... + 2881233.

It is an arithmetic number, because the mean of its divisors is an integer number (10959418449).

Almost surely, 2^142633305305 is an apocalyptic number.

It is an amenable number.

142633305305 is a deficient number, since it is larger than the sum of its proper divisors (32717389879).

142633305305 is a wasteful number, since it uses less digits than its factorization.

142633305305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63916.

The product of its (nonzero) digits is 97200, while the sum is 35.

The spelling of 142633305305 in words is "one hundred forty-two billion, six hundred thirty-three million, three hundred five thousand, three hundred five".