142240240445 has 8 divisors (see below), whose sum is σ = 170690316120. Its totient is φ = 113790840640.

The previous prime is 142240240427. The next prime is 142240240459. The reversal of 142240240445 is 544042042241.

It can be written as a sum of positive squares in 4 ways, for example, as 408161209 + 141832079236 = 20203^2 + 376606^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142240240445 - 2¹⁸ = 142239978301 is a prime.

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, 705035 + ... + 884055.

It is an arithmetic number, because the mean of its divisors is an integer number (21336289515).

Almost surely, 2^142240240445 is an apocalyptic number.

It is an amenable number.

142240240445 is a deficient number, since it is larger than the sum of its proper divisors (28450075675).

142240240445 is a wasteful number, since it uses less digits than its factorization.

142240240445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337935.

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 142240240445 its reverse (544042042241), we get a palindrome (686282282686).

The spelling of 142240240445 in words is "one hundred forty-two billion, two hundred forty million, two hundred forty thousand, four hundred forty-five".