145233233 has 8 divisors (see below), whose sum is σ = 150401280. Its totient is φ = 140095440.

The previous prime is 145233211. The next prime is 145233239. The reversal of 145233233 is 332332541.

It is a happy number.

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 145233233 - 2¹² = 145229137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145233239) 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, 2438 + ... + 17216.

It is an arithmetic number, because the mean of its divisors is an integer number (18800160).

Almost surely, 2^145233233 is an apocalyptic number.

It is an amenable number.

145233233 is a deficient number, since it is larger than the sum of its proper divisors (5168047).

145233233 is a wasteful number, since it uses less digits than its factorization.

145233233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15127.

The product of its digits is 6480, while the sum is 26.

The square root of 145233233 is about 12051.2751607454. The cubic root of 145233233 is about 525.6403168297.

Adding to 145233233 its reverse (332332541), we get a palindrome (477565774).

The spelling of 145233233 in words is "one hundred forty-five million, two hundred thirty-three thousand, two hundred thirty-three".