245226153 has 4 divisors (see below), whose sum is σ = 326968208. Its totient is φ = 163484100.

The previous prime is 245226133. The next prime is 245226167. The reversal of 245226153 is 351622542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 245226153 - 2²⁴ = 228448937 is a prime.

It is a super-2 number, since 2×245226153² = 120271732230358818, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 245226153.

It is not an unprimeable number, because it can be changed into a prime (245226133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40871023 + ... + 40871028.

It is an arithmetic number, because the mean of its divisors is an integer number (81742052).

Almost surely, 2^245226153 is an apocalyptic number.

It is an amenable number.

245226153 is a deficient number, since it is larger than the sum of its proper divisors (81742055).

245226153 is an equidigital number, since it uses as much as digits as its factorization.

245226153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81742054.

The product of its digits is 14400, while the sum is 30.

The square root of 245226153 is about 15659.6983687426. The cubic root of 245226153 is about 625.9249477062.

Adding to 245226153 its reverse (351622542), we get a palindrome (596848695).

The spelling of 245226153 in words is "two hundred forty-five million, two hundred twenty-six thousand, one hundred fifty-three".