145244433 has 8 divisors (see below), whose sum is σ = 197313408. Its totient is φ = 95002544.

The previous prime is 145244401. The next prime is 145244443. The reversal of 145244433 is 334442541.

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 145244433 - 2⁵ = 145244401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145244433.

It is not an unprimeable number, because it can be changed into a prime (145244443) 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, 456585 + ... + 456902.

It is an arithmetic number, because the mean of its divisors is an integer number (24664176).

Almost surely, 2^145244433 is an apocalyptic number.

It is an amenable number.

145244433 is a deficient number, since it is larger than the sum of its proper divisors (52068975).

145244433 is an equidigital number, since it uses as much as digits as its factorization.

145244433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913543.

The product of its digits is 23040, while the sum is 30.

The square root of 145244433 is about 12051.7398329038. The cubic root of 145244433 is about 525.6538284760.

Adding to 145244433 its reverse (334442541), we get a palindrome (479686974).

The spelling of 145244433 in words is "one hundred forty-five million, two hundred forty-four thousand, four hundred thirty-three".