65145902421742 has 16 divisors (see below), whose sum is σ = 100925103324672. Its totient is φ = 31505326909560.

The previous prime is 65145902421707. The next prime is 65145902421757. The reversal of 65145902421742 is 24712420954156.

It is a self number, because there is not a number n which added to its sum of digits gives 65145902421742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281282308 + ... + 281513815.

It is an arithmetic number, because the mean of its divisors is an integer number (6307818957792).

Almost surely, 2^{65145902421742} is an apocalyptic number.

65145902421742 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

65145902421742 is a deficient number, since it is larger than the sum of its proper divisors (35779200902930).

65145902421742 is a wasteful number, since it uses less digits than its factorization.

65145902421742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562798023.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 65145902421742 in words is "sixty-five trillion, one hundred forty-five billion, nine hundred two million, four hundred twenty-one thousand, seven hundred forty-two".