145251054224 has 10 divisors (see below), whose sum is σ = 281423917590. Its totient is φ = 72625527104.

The previous prime is 145251054197. The next prime is 145251054229. The reversal of 145251054224 is 422450152541.

It can be written as a sum of positive squares in only one way, i.e., 114696014224 + 30555040000 = 338668^2 + 174800^2 .

It is not an unprimeable number, because it can be changed into a prime (145251054229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4539095429 + ... + 4539095460.

It is an arithmetic number, because the mean of its divisors is an integer number (28142391759).

Almost surely, 2^145251054224 is an apocalyptic number.

It is an amenable number.

145251054224 is a deficient number, since it is larger than the sum of its proper divisors (136172863366).

145251054224 is an equidigital number, since it uses as much as digits as its factorization.

145251054224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9078190897 (or 9078190891 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 145251054224 in words is "one hundred forty-five billion, two hundred fifty-one million, fifty-four thousand, two hundred twenty-four".