245451369 has 8 divisors (see below), whose sum is σ = 330446272. Its totient is φ = 162045360.

The previous prime is 245451361. The next prime is 245451407. The reversal of 245451369 is 963154542.

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

It is not a de Polignac number, because 245451369 - 2³ = 245451361 is a prime.

It is a super-2 number, since 2×245451369² = 120492749087948322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245451361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396862 + ... + 397479.

It is an arithmetic number, because the mean of its divisors is an integer number (41305784).

Almost surely, 2^245451369 is an apocalyptic number.

It is an amenable number.

245451369 is a deficient number, since it is larger than the sum of its proper divisors (84994903).

245451369 is a wasteful number, since it uses less digits than its factorization.

245451369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794447.

The product of its digits is 129600, while the sum is 39.

The square root of 245451369 is about 15666.8876615619. The cubic root of 245451369 is about 626.1165058226.

The spelling of 245451369 in words is "two hundred forty-five million, four hundred fifty-one thousand, three hundred sixty-nine".