145142142042 has 16 divisors (see below), whose sum is σ = 299648293632. Its totient is φ = 46820045760.

The previous prime is 145142142031. The next prime is 145142142077. The reversal of 145142142042 is 240241241541.

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 in 7 ways as a sum of consecutive naturals, for example, 390166863 + ... + 390167234.

It is an arithmetic number, because the mean of its divisors is an integer number (18728018352).

Almost surely, 2^145142142042 is an apocalyptic number.

145142142042 is an abundant number, since it is smaller than the sum of its proper divisors (154506151590).

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

145142142042 is a wasteful number, since it uses less digits than its factorization.

145142142042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780334133.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 145142142042 its reverse (240241241541), we get a palindrome (385383383583).

The spelling of 145142142042 in words is "one hundred forty-five billion, one hundred forty-two million, one hundred forty-two thousand, forty-two".