144850622555 has 4 divisors (see below), whose sum is σ = 173820747072. Its totient is φ = 115880498040.

The previous prime is 144850622551. The next prime is 144850622561. The reversal of 144850622555 is 555226058441.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 144850622555 - 2² = 144850622551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144850622551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14485062251 + ... + 14485062260.

It is an arithmetic number, because the mean of its divisors is an integer number (43455186768).

Almost surely, 2^144850622555 is an apocalyptic number.

144850622555 is a deficient number, since it is larger than the sum of its proper divisors (28970124517).

144850622555 is an equidigital number, since it uses as much as digits as its factorization.

144850622555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28970124516.

The product of its (nonzero) digits is 1920000, while the sum is 47.

The spelling of 144850622555 in words is "one hundred forty-four billion, eight hundred fifty million, six hundred twenty-two thousand, five hundred fifty-five".