145255243442 has 16 divisors (see below), whose sum is σ = 228111690240. Its totient is φ = 69278360592.

The previous prime is 145255243423. The next prime is 145255243493. The reversal of 145255243442 is 244342552541.

145255243442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 145255243442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15081938 + ... + 15091565.

It is an arithmetic number, because the mean of its divisors is an integer number (14256980640).

Almost surely, 2^145255243442 is an apocalyptic number.

145255243442 is a deficient number, since it is larger than the sum of its proper divisors (82856446798).

145255243442 is a wasteful number, since it uses less digits than its factorization.

145255243442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30173617.

The product of its digits is 768000, while the sum is 41.

Adding to 145255243442 its reverse (244342552541), we get a palindrome (389597795983).

The spelling of 145255243442 in words is "one hundred forty-five billion, two hundred fifty-five million, two hundred forty-three thousand, four hundred forty-two".