153205245 has 24 divisors (see below), whose sum is σ = 270570456. Its totient is φ = 80166528.

The previous prime is 153205229. The next prime is 153205267. The reversal of 153205245 is 542502351.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46826649 + 106378596 = 6843^2 + 10314^2 .

It is not a de Polignac number, because 153205245 - 2⁴ = 153205229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29734 + ... + 34503.

It is an arithmetic number, because the mean of its divisors is an integer number (11273769).

Almost surely, 2^153205245 is an apocalyptic number.

153205245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153205245 is a deficient number, since it is larger than the sum of its proper divisors (117365211).

153205245 is a wasteful number, since it uses less digits than its factorization.

153205245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64301 (or 64298 counting only the distinct ones).

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

The square root of 153205245 is about 12377.6106337209. The cubic root of 153205245 is about 535.0871782703.

Adding to 153205245 its reverse (542502351), we get a palindrome (695707596).

The spelling of 153205245 in words is "one hundred fifty-three million, two hundred five thousand, two hundred forty-five".