142132245445 has 4 divisors (see below), whose sum is σ = 170558694540. Its totient is φ = 113705796352.

The previous prime is 142132245379. The next prime is 142132245461. The reversal of 142132245445 is 544542231241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544542231241 = 661 ⋅823815781.

It can be written as a sum of positive squares in 2 ways, for example, as 72924842116 + 69207403329 = 270046^2 + 263073^2 .

It is a cyclic number.

It is not a de Polignac number, because 142132245445 - 2²³ = 142123856837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14213224540 + ... + 14213224549.

It is an arithmetic number, because the mean of its divisors is an integer number (42639673635).

Almost surely, 2^142132245445 is an apocalyptic number.

It is an amenable number.

142132245445 is a deficient number, since it is larger than the sum of its proper divisors (28426449095).

142132245445 is an equidigital number, since it uses as much as digits as its factorization.

142132245445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28426449094.

The product of its digits is 153600, while the sum is 37.

Adding to 142132245445 its reverse (544542231241), we get a palindrome (686674476686).

The spelling of 142132245445 in words is "one hundred forty-two billion, one hundred thirty-two million, two hundred forty-five thousand, four hundred forty-five".