145775352242 has 32 divisors (see below), whose sum is σ = 240742841472. Its totient is φ = 65792859264.

The previous prime is 145775352187. The next prime is 145775352263. The reversal of 145775352242 is 242253577541.

145775352242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 66758 + ... + 544065.

It is an arithmetic number, because the mean of its divisors is an integer number (7523213796).

Almost surely, 2^145775352242 is an apocalyptic number.

145775352242 is a deficient number, since it is larger than the sum of its proper divisors (94967489230).

145775352242 is a wasteful number, since it uses less digits than its factorization.

145775352242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611042.

The product of its digits is 2352000, while the sum is 47.

The spelling of 145775352242 in words is "one hundred forty-five billion, seven hundred seventy-five million, three hundred fifty-two thousand, two hundred forty-two".