145022333 has 4 divisors (see below), whose sum is σ = 145353120. Its totient is φ = 144691548.

The previous prime is 145022327. The next prime is 145022341. The reversal of 145022333 is 333220541.

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, and also an emirpimes, since its reverse is a distinct semiprime: 333220541 = 607 ⋅548963.

It is a cyclic number.

It is not a de Polignac number, because 145022333 - 2⁸ = 145022077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145022299 and 145022308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145022233) 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, 164735 + ... + 165612.

It is an arithmetic number, because the mean of its divisors is an integer number (36338280).

Almost surely, 2^145022333 is an apocalyptic number.

It is an amenable number.

145022333 is a deficient number, since it is larger than the sum of its proper divisors (330787).

145022333 is an equidigital number, since it uses as much as digits as its factorization.

145022333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330786.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 145022333 is about 12042.5218704389. The cubic root of 145022333 is about 525.3857579056.

Adding to 145022333 its reverse (333220541), we get a palindrome (478242874).

The spelling of 145022333 in words is "one hundred forty-five million, twenty-two thousand, three hundred thirty-three".