145454243 has 8 divisors (see below), whose sum is σ = 159928320. Its totient is φ = 131188680.

The previous prime is 145454209. The next prime is 145454269. The reversal of 145454243 is 342454541.

145454243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145454243 - 2¹⁶ = 145388707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145454273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50663 + ... + 53456.

It is an arithmetic number, because the mean of its divisors is an integer number (19991040).

Almost surely, 2^145454243 is an apocalyptic number.

145454243 is a deficient number, since it is larger than the sum of its proper divisors (14474077).

145454243 is a wasteful number, since it uses less digits than its factorization.

145454243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104257.

The product of its digits is 38400, while the sum is 32.

The square root of 145454243 is about 12060.4412440010. The cubic root of 145454243 is about 525.9068143462.

The spelling of 145454243 in words is "one hundred forty-five million, four hundred fifty-four thousand, two hundred forty-three".