245022141 has 16 divisors (see below), whose sum is σ = 402088064. Its totient is φ = 129242304.

The previous prime is 245022121. The next prime is 245022163. The reversal of 245022141 is 141220542.

It is not a de Polignac number, because 245022141 - 2⁶ = 245022077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245022121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448486 + ... + 449031.

It is an arithmetic number, because the mean of its divisors is an integer number (25130504).

Almost surely, 2^245022141 is an apocalyptic number.

245022141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

245022141 is a deficient number, since it is larger than the sum of its proper divisors (157065923).

245022141 is a wasteful number, since it uses less digits than its factorization.

245022141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897540.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 245022141 is about 15653.1830948213. The cubic root of 245022141 is about 625.7513234457.

Adding to 245022141 its reverse (141220542), we get a palindrome (386242683).

The spelling of 245022141 in words is "two hundred forty-five million, twenty-two thousand, one hundred forty-one".