142664552261 has 32 divisors (see below), whose sum is σ = 186191364096. Its totient is φ = 106065792000.

The previous prime is 142664552231. The next prime is 142664552291. The reversal of 142664552261 is 162255466241.

142664552261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142664552231) and next prime (142664552291).

It is not a de Polignac number, because 142664552261 - 2⁶ = 142664552197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142664552221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251420 + ... + 590373.

It is an arithmetic number, because the mean of its divisors is an integer number (5818480128).

Almost surely, 2^142664552261 is an apocalyptic number.

142664552261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142664552261 is a deficient number, since it is larger than the sum of its proper divisors (43526811835).

142664552261 is a wasteful number, since it uses less digits than its factorization.

142664552261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841913.

The product of its digits is 691200, while the sum is 44.

The spelling of 142664552261 in words is "one hundred forty-two billion, six hundred sixty-four million, five hundred fifty-two thousand, two hundred sixty-one".