245001155 has 8 divisors (see below), whose sum is σ = 336001632. Its totient is φ = 168000768.

The previous prime is 245001151. The next prime is 245001157. The reversal of 245001155 is 551100542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245001155 - 2² = 245001151 is a prime.

It is a Duffinian number.

245001155 is a modest number, since divided by 1155 gives 245 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 245001155.

It is not an unprimeable number, because it can be changed into a prime (245001151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3499982 + ... + 3500051.

It is an arithmetic number, because the mean of its divisors is an integer number (42000204).

Almost surely, 2^245001155 is an apocalyptic number.

245001155 is a deficient number, since it is larger than the sum of its proper divisors (91000477).

245001155 is an equidigital number, since it uses as much as digits as its factorization.

245001155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000045.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 245001155 is about 15652.5127375767. The cubic root of 245001155 is about 625.7334578599.

Adding to 245001155 its reverse (551100542), we get a palindrome (796101697).

The spelling of 245001155 in words is "two hundred forty-five million, one thousand, one hundred fifty-five".