245153191 has 8 divisors (see below), whose sum is σ = 251064704. Its totient is φ = 239251320.

The previous prime is 245153189. The next prime is 245153203. The reversal of 245153191 is 191351542.

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 245153191 - 2¹ = 245153189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245153101) 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, 98140 + ... + 100606.

It is an arithmetic number, because the mean of its divisors is an integer number (31383088).

Almost surely, 2^245153191 is an apocalyptic number.

245153191 is a deficient number, since it is larger than the sum of its proper divisors (5911513).

245153191 is a wasteful number, since it uses less digits than its factorization.

245153191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821.

The product of its digits is 5400, while the sum is 31.

The square root of 245153191 is about 15657.3685847910. The cubic root of 245153191 is about 625.8628645155.

The spelling of 245153191 in words is "two hundred forty-five million, one hundred fifty-three thousand, one hundred ninety-one".