146222372455 has 4 divisors (see below), whose sum is σ = 175466846952. Its totient is φ = 116977897960.

The previous prime is 146222372447. The next prime is 146222372519. The reversal of 146222372455 is 554273222641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554273222641 = 23 ⋅24098835767.

It is not a de Polignac number, because 146222372455 - 2³ = 146222372447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14622237241 + ... + 14622237250.

It is an arithmetic number, because the mean of its divisors is an integer number (43866711738).

Almost surely, 2^146222372455 is an apocalyptic number.

146222372455 is a deficient number, since it is larger than the sum of its proper divisors (29244474497).

146222372455 is an equidigital number, since it uses as much as digits as its factorization.

146222372455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29244474496.

The product of its digits is 806400, while the sum is 43.

The spelling of 146222372455 in words is "one hundred forty-six billion, two hundred twenty-two million, three hundred seventy-two thousand, four hundred fifty-five".