245551151 has 4 divisors (see below), whose sum is σ = 256227312. Its totient is φ = 234874992.

The previous prime is 245551087. The next prime is 245551153. The reversal of 245551151 is 151155542.

245551151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245551151 - 2⁶ = 245551087 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 (245551153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5338046 + ... + 5338091.

It is an arithmetic number, because the mean of its divisors is an integer number (64056828).

Almost surely, 2^245551151 is an apocalyptic number.

245551151 is a deficient number, since it is larger than the sum of its proper divisors (10676161).

245551151 is a wasteful number, since it uses less digits than its factorization.

245551151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10676160.

The product of its digits is 5000, while the sum is 29.

The square root of 245551151 is about 15670.0718249790. The cubic root of 245551151 is about 626.2013382322.

The spelling of 245551151 in words is "two hundred forty-five million, five hundred fifty-one thousand, one hundred fifty-one".