145233425 has 12 divisors (see below), whose sum is σ = 180376476. Its totient is φ = 116001600.

The previous prime is 145233391. The next prime is 145233437. The reversal of 145233425 is 524332541.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4289041 + 140944384 = 2071^2 + 11872^2 .

It is a de Polignac number, because none of the positive numbers 2^k-145233425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12635 + ... + 21215.

It is an arithmetic number, because the mean of its divisors is an integer number (15031373).

Almost surely, 2^145233425 is an apocalyptic number.

It is an amenable number.

145233425 is a deficient number, since it is larger than the sum of its proper divisors (35143051).

145233425 is an equidigital number, since it uses as much as digits as its factorization.

145233425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9268 (or 9263 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 145233425 is about 12051.2831267048. The cubic root of 145233425 is about 525.6405484638.

Adding to 145233425 its reverse (524332541), we get a palindrome (669565966).

The spelling of 145233425 in words is "one hundred forty-five million, two hundred thirty-three thousand, four hundred twenty-five".