142001545145 has 24 divisors (see below), whose sum is σ = 180472941000. Its totient is φ = 107132960256.

The previous prime is 142001545111. The next prime is 142001545171. The reversal of 142001545145 is 541545100241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 372760249 + 141628784896 = 19307^2 + 376336^2 .

It is not a de Polignac number, because 142001545145 - 2¹⁸ = 142001283001 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3281 + ... + 532929.

It is an arithmetic number, because the mean of its divisors is an integer number (7519705875).

Almost surely, 2^142001545145 is an apocalyptic number.

It is an amenable number.

142001545145 is a deficient number, since it is larger than the sum of its proper divisors (38471395855).

142001545145 is an equidigital number, since it uses as much as digits as its factorization.

142001545145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529769 (or 529726 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 142001545145 its reverse (541545100241), we get a palindrome (683546645386).

The spelling of 142001545145 in words is "one hundred forty-two billion, one million, five hundred forty-five thousand, one hundred forty-five".