145050622406 has 4 divisors (see below), whose sum is σ = 217575933612. Its totient is φ = 72525311202.

The previous prime is 145050622391. The next prime is 145050622417. The reversal of 145050622406 is 604226050541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604226050541 = 22039 ⋅27416219.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36262655600 + ... + 36262655603.

It is an arithmetic number, because the mean of its divisors is an integer number (54393983403).

Almost surely, 2^145050622406 is an apocalyptic number.

145050622406 is a deficient number, since it is larger than the sum of its proper divisors (72525311206).

145050622406 is an equidigital number, since it uses as much as digits as its factorization.

145050622406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72525311205.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 145050622406 its reverse (604226050541), we get a palindrome (749276672947).

The spelling of 145050622406 in words is "one hundred forty-five billion, fifty million, six hundred twenty-two thousand, four hundred six".