145022220046 has 8 divisors (see below), whose sum is σ = 237309087384. Its totient is φ = 65919190920.

The previous prime is 145022220043. The next prime is 145022220053. The reversal of 145022220046 is 640022220541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145022219996 and 145022220023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145022220043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3295959525 + ... + 3295959568.

It is an arithmetic number, because the mean of its divisors is an integer number (29663635923).

Almost surely, 2^145022220046 is an apocalyptic number.

145022220046 is a deficient number, since it is larger than the sum of its proper divisors (92286867338).

145022220046 is a wasteful number, since it uses less digits than its factorization.

145022220046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591919106.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 145022220046 its reverse (640022220541), we get a palindrome (785044440587).

The spelling of 145022220046 in words is "one hundred forty-five billion, twenty-two million, two hundred twenty thousand, forty-six".