245451345 has 8 divisors (see below), whose sum is σ = 392722176. Its totient is φ = 130907376.

The previous prime is 245451337. The next prime is 245451347. The reversal of 245451345 is 543154542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245451345 - 2³ = 245451337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245451347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8181697 + ... + 8181726.

It is an arithmetic number, because the mean of its divisors is an integer number (49090272).

Almost surely, 2^245451345 is an apocalyptic number.

It is an amenable number.

245451345 is a deficient number, since it is larger than the sum of its proper divisors (147270831).

245451345 is a wasteful number, since it uses less digits than its factorization.

245451345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16363431.

The product of its digits is 48000, while the sum is 33.

The square root of 245451345 is about 15666.8868956152. The cubic root of 245451345 is about 626.1164854156.

The spelling of 245451345 in words is "two hundred forty-five million, four hundred fifty-one thousand, three hundred forty-five".