245214845 has 8 divisors (see below), whose sum is σ = 307051776. Its totient is φ = 187642576.

The previous prime is 245214821. The next prime is 245214857. The reversal of 245214845 is 548412542.

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 245214845 - 2²² = 241020541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1066037 + ... + 1066266.

It is an arithmetic number, because the mean of its divisors is an integer number (38381472).

Almost surely, 2^245214845 is an apocalyptic number.

It is an amenable number.

245214845 is a deficient number, since it is larger than the sum of its proper divisors (61836931).

245214845 is a wasteful number, since it uses less digits than its factorization.

245214845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132331.

The product of its digits is 51200, while the sum is 35.

The square root of 245214845 is about 15659.3373103717. The cubic root of 245214845 is about 625.9153265626.

The spelling of 245214845 in words is "two hundred forty-five million, two hundred fourteen thousand, eight hundred forty-five".