145108841 has 4 divisors (see below), whose sum is σ = 145188432. Its totient is φ = 145029252.

The previous prime is 145108829. The next prime is 145108849. The reversal of 145108841 is 148801541.

It is a happy number.

145108841 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145108841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145108798 and 145108807.

It is not an unprimeable number, because it can be changed into a prime (145108849) 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, 36995 + ... + 40728.

It is an arithmetic number, because the mean of its divisors is an integer number (36297108).

Almost surely, 2^145108841 is an apocalyptic number.

It is an amenable number.

145108841 is a deficient number, since it is larger than the sum of its proper divisors (79591).

145108841 is an equidigital number, since it uses as much as digits as its factorization.

145108841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79590.

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 145108841 is about 12046.1131075547. The cubic root of 145108841 is about 525.4902039726.

The spelling of 145108841 in words is "one hundred forty-five million, one hundred eight thousand, eight hundred forty-one".