142773750885447 has 64 divisors (see below), whose sum is σ = 237641942707200. Its totient is φ = 83956392224640.

The previous prime is 142773750885431. The next prime is 142773750885457. The reversal of 142773750885447 is 744588057377241.

142773750885447 is a `hidden beast` number, since 1 + 4 + 2 + 7 + 7 + 3 + 75 + 0 + 8 + 8 + 544 + 7 = 666.

It is not a de Polignac number, because 142773750885447 - 2⁴ = 142773750885431 is a prime.

It is a super-3 number, since 3×142773750885447³ (a number of 43 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142773750885407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14150248 + ... + 22040349.

It is an arithmetic number, because the mean of its divisors is an integer number (3713155354800).

Almost surely, 2^{142773750885447} is an apocalyptic number.

142773750885447 is a deficient number, since it is larger than the sum of its proper divisors (94868191821753).

142773750885447 is a wasteful number, since it uses less digits than its factorization.

142773750885447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36191013 (or 36191007 counting only the distinct ones).

The product of its (nonzero) digits is 1475174400, while the sum is 72.

The spelling of 142773750885447 in words is "one hundred forty-two trillion, seven hundred seventy-three billion, seven hundred fifty million, eight hundred eighty-five thousand, four hundred forty-seven".