142240549464 has 72 divisors (see below), whose sum is σ = 417147800940. Its totient is φ = 43766319168.

The previous prime is 142240549463. The next prime is 142240549487. The reversal of 142240549464 is 464945042241.

142240549464 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 40 + 549 + 4 + 64 = 666.

142240549464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142240549463) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5832694 + ... + 5857029.

Almost surely, 2^142240549464 is an apocalyptic number.

It is an amenable number.

142240549464 is an abundant number, since it is smaller than the sum of its proper divisors (274907251476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142240549464 is a wasteful number, since it uses less digits than its factorization.

142240549464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11689761 (or 11689741 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 142240549464 in words is "one hundred forty-two billion, two hundred forty million, five hundred forty-nine thousand, four hundred sixty-four".