245822141 has 4 divisors (see below), whose sum is σ = 248077500. Its totient is φ = 243566784.

The previous prime is 245822123. The next prime is 245822149. The reversal of 245822141 is 141228542.

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

It can be written as a sum of positive squares in 2 ways, for example, as 131010916 + 114811225 = 11446^2 + 10715^2 .

It is a cyclic number.

It is not a de Polignac number, because 245822141 - 2⁶ = 245822077 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 (245822149) 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, 1127516 + ... + 1127733.

It is an arithmetic number, because the mean of its divisors is an integer number (62019375).

Almost surely, 2^245822141 is an apocalyptic number.

It is an amenable number.

245822141 is a deficient number, since it is larger than the sum of its proper divisors (2255359).

245822141 is a wasteful number, since it uses less digits than its factorization.

245822141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255358.

The product of its digits is 5120, while the sum is 29.

The square root of 245822141 is about 15678.7161783100. The cubic root of 245822141 is about 626.4316119292.

The spelling of 245822141 in words is "two hundred forty-five million, eight hundred twenty-two thousand, one hundred forty-one".