245151247 has 8 divisors (see below), whose sum is σ = 268078032. Its totient is φ = 222331200.

The previous prime is 245151241. The next prime is 245151311. The reversal of 245151247 is 742151542.

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 245151247 - 2⁷ = 245151119 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 (245151241) 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, 21838 + ... + 31099.

It is an arithmetic number, because the mean of its divisors is an integer number (33509754).

Almost surely, 2^245151247 is an apocalyptic number.

245151247 is a deficient number, since it is larger than the sum of its proper divisors (22926785).

245151247 is a wasteful number, since it uses less digits than its factorization.

245151247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53369.

The product of its digits is 11200, while the sum is 31.

The square root of 245151247 is about 15657.3065052709. The cubic root of 245151247 is about 625.8612102021.

The spelling of 245151247 in words is "two hundred forty-five million, one hundred fifty-one thousand, two hundred forty-seven".