145252231112203 has 4 divisors (see below), whose sum is σ = 145257302265768. Its totient is φ = 145247159958640.

The previous prime is 145252231112171. The next prime is 145252231112207. The reversal of 145252231112203 is 302211132252541.

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

It is a cyclic number.

It is not a de Polignac number, because 145252231112203 - 2⁵ = 145252231112171 is a prime.

It is a super-3 number, since 3×145252231112203³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145252231112207) 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, 2535533818 + ... + 2535591103.

It is an arithmetic number, because the mean of its divisors is an integer number (36314325566442).

Almost surely, 2^{145252231112203} is an apocalyptic number.

145252231112203 is a deficient number, since it is larger than the sum of its proper divisors (5071153565).

145252231112203 is an equidigital number, since it uses as much as digits as its factorization.

145252231112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071153564.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 145252231112203 its reverse (302211132252541), we get a palindrome (447463363364744).

The spelling of 145252231112203 in words is "one hundred forty-five trillion, two hundred fifty-two billion, two hundred thirty-one million, one hundred twelve thousand, two hundred three".