142749947241 has 16 divisors (see below), whose sum is σ = 230706985920. Its totient is φ = 86515119360.

The previous prime is 142749947191. The next prime is 142749947309.

142749947241 is a `hidden beast` number, since 1 + 4 + 274 + 99 + 47 + 241 = 666.

142749947241 is nontrivially palindromic in base 10.

142749947241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142749947241 - 2¹¹ = 142749945193 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (142749947441) 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 15 ways as a sum of consecutive naturals, for example, 240319480 + ... + 240320073.

It is an arithmetic number, because the mean of its divisors is an integer number (14419186620).

Almost surely, 2^142749947241 is an apocalyptic number.

142749947241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142749947241 is a deficient number, since it is larger than the sum of its proper divisors (87957038679).

142749947241 is a wasteful number, since it uses less digits than its factorization.

142749947241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480639573 (or 480639567 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 142749947241 in words is "one hundred forty-two billion, seven hundred forty-nine million, nine hundred forty-seven thousand, two hundred forty-one".