245280141 has 12 divisors (see below), whose sum is σ = 363869532. Its totient is φ = 159100416.

The previous prime is 245280137. The next prime is 245280143. The reversal of 245280141 is 141082542.

245280141 is a `hidden beast` number, since 245 + 280 + 141 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 158231241 + 87048900 = 12579^2 + 9330^2 .

It is not a de Polignac number, because 245280141 - 2² = 245280137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245280143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367956 + ... + 368621.

It is an arithmetic number, because the mean of its divisors is an integer number (30322461).

Almost surely, 2^245280141 is an apocalyptic number.

It is an amenable number.

245280141 is a deficient number, since it is larger than the sum of its proper divisors (118589391).

245280141 is a wasteful number, since it uses less digits than its factorization.

245280141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736620 (or 736617 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 245280141 is about 15661.4220618691. The cubic root of 245280141 is about 625.9708780391.

The spelling of 245280141 in words is "two hundred forty-five million, two hundred eighty thousand, one hundred forty-one".