145454433 has 4 divisors (see below), whose sum is σ = 193939248. Its totient is φ = 96969620.

The previous prime is 145454381. The next prime is 145454447. The reversal of 145454433 is 334454541.

It is a happy number.

145454433 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 not a de Polignac number, because 145454433 - 2²¹ = 143357281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145454394 and 145454403.

It is not an unprimeable number, because it can be changed into a prime (145454453) 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, 24242403 + ... + 24242408.

It is an arithmetic number, because the mean of its divisors is an integer number (48484812).

Almost surely, 2^145454433 is an apocalyptic number.

It is an amenable number.

145454433 is a deficient number, since it is larger than the sum of its proper divisors (48484815).

145454433 is an equidigital number, since it uses as much as digits as its factorization.

145454433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48484814.

The product of its digits is 57600, while the sum is 33.

The square root of 145454433 is about 12060.4491209905. The cubic root of 145454433 is about 525.9070433352.

The spelling of 145454433 in words is "one hundred forty-five million, four hundred fifty-four thousand, four hundred thirty-three".