145142142044 has 6 divisors (see below), whose sum is σ = 253998748584. Its totient is φ = 72571071020.

The previous prime is 145142142031. The next prime is 145142142077. The reversal of 145142142044 is 440241241541.

It is a self number, because there is not a number n which added to its sum of digits gives 145142142044.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18142767752 + ... + 18142767759.

It is an arithmetic number, because the mean of its divisors is an integer number (42333124764).

Almost surely, 2^145142142044 is an apocalyptic number.

It is an amenable number.

145142142044 is a deficient number, since it is larger than the sum of its proper divisors (108856606540).

145142142044 is a wasteful number, since it uses less digits than its factorization.

145142142044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36285535515 (or 36285535513 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 145142142044 its reverse (440241241541), we get a palindrome (585383383585).

The spelling of 145142142044 in words is "one hundred forty-five billion, one hundred forty-two million, one hundred forty-two thousand, forty-four".