145503455112241 has 4 divisors (see below), whose sum is σ = 145503768991984. Its totient is φ = 145503141232500.

The previous prime is 145503455112227. The next prime is 145503455112247. The reversal of 145503455112241 is 142211554305541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145503455112241 - 2⁵ = 145503455112209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145503455112247) 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, 156243495 + ... + 157171996.

It is an arithmetic number, because the mean of its divisors is an integer number (36375942247996).

Almost surely, 2^{145503455112241} is an apocalyptic number.

It is an amenable number.

145503455112241 is a deficient number, since it is larger than the sum of its proper divisors (313879743).

145503455112241 is an equidigital number, since it uses as much as digits as its factorization.

145503455112241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313879742.

The product of its (nonzero) digits is 480000, while the sum is 43.

The spelling of 145503455112241 in words is "one hundred forty-five trillion, five hundred three billion, four hundred fifty-five million, one hundred twelve thousand, two hundred forty-one".