145034233 has 4 divisors (see below), whose sum is σ = 145175668. Its totient is φ = 144892800.

The previous prime is 145034221. The next prime is 145034237. The reversal of 145034233 is 332430541.

145034233 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.

It can be written as a sum of positive squares in 2 ways, for example, as 67453369 + 77580864 = 8213^2 + 8808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145034233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145034198 and 145034207.

It is not an unprimeable number, because it can be changed into a prime (145034237) 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, 69168 + ... + 71233.

It is an arithmetic number, because the mean of its divisors is an integer number (36293917).

Almost surely, 2^145034233 is an apocalyptic number.

It is an amenable number.

145034233 is a deficient number, since it is larger than the sum of its proper divisors (141435).

145034233 is a wasteful number, since it uses less digits than its factorization.

145034233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141434.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 145034233 is about 12043.0159428608. The cubic root of 145034233 is about 525.4001279211.

Adding to 145034233 its reverse (332430541), we get a palindrome (477464774).

The spelling of 145034233 in words is "one hundred forty-five million, thirty-four thousand, two hundred thirty-three".