245115073 has 8 divisors (see below), whose sum is σ = 281123648. Its totient is φ = 209354544.

The previous prime is 245115053. The next prime is 245115077. The reversal of 245115073 is 370511542.

It is a happy number.

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

It is not a de Polignac number, because 245115073 - 2⁹ = 245114561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245115077) 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, 59886 + ... + 63847.

It is an arithmetic number, because the mean of its divisors is an integer number (35140456).

Almost surely, 2^245115073 is an apocalyptic number.

It is an amenable number.

245115073 is a deficient number, since it is larger than the sum of its proper divisors (36008575).

245115073 is a wasteful number, since it uses less digits than its factorization.

245115073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124023.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 245115073 is about 15656.1512831219. The cubic root of 245115073 is about 625.8304251020.

It can be divided in two parts, 24511 and 5073, that added together give a square (29584 = 172²).

The spelling of 245115073 in words is "two hundred forty-five million, one hundred fifteen thousand, seventy-three".