145450554122 has 4 divisors (see below), whose sum is σ = 218175831186. Its totient is φ = 72725277060.

The previous prime is 145450554107. The next prime is 145450554157. The reversal of 145450554122 is 221455054541.

145450554122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 106008196921 + 39442357201 = 325589^2 + 198601^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36362638529 + ... + 36362638532.

Almost surely, 2^145450554122 is an apocalyptic number.

145450554122 is a deficient number, since it is larger than the sum of its proper divisors (72725277064).

145450554122 is an equidigital number, since it uses as much as digits as its factorization.

145450554122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72725277063.

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 145450554122 in words is "one hundred forty-five billion, four hundred fifty million, five hundred fifty-four thousand, one hundred twenty-two".