153025245 has 24 divisors (see below), whose sum is σ = 280847736. Its totient is φ = 76812288.

The previous prime is 153025241. The next prime is 153025267. The reversal of 153025245 is 542520351.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 50083929 + 102941316 = 7077^2 + 10146^2 .

It is not a de Polignac number, because 153025245 - 2² = 153025241 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153025241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99252 + ... + 100781.

It is an arithmetic number, because the mean of its divisors is an integer number (11701989).

Almost surely, 2^153025245 is an apocalyptic number.

153025245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153025245 is a deficient number, since it is larger than the sum of its proper divisors (127822491).

153025245 is a wasteful number, since it uses less digits than its factorization.

153025245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200061 (or 200058 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 153025245 is about 12370.3373034045. The cubic root of 153025245 is about 534.8775391530.

Adding to 153025245 its reverse (542520351), we get a palindrome (695545596).

The spelling of 153025245 in words is "one hundred fifty-three million, twenty-five thousand, two hundred forty-five".