245823073 has 8 divisors (see below), whose sum is σ = 250412040. Its totient is φ = 241274880.

The previous prime is 245823049. The next prime is 245823091. The reversal of 245823073 is 370328542.

It can be written as a sum of positive squares in 4 ways, for example, as 28643904 + 217179169 = 5352^2 + 14737^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245823073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245823023) 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, 2113 + ... + 22273.

It is an arithmetic number, because the mean of its divisors is an integer number (31301505).

Almost surely, 2^245823073 is an apocalyptic number.

It is an amenable number.

245823073 is a deficient number, since it is larger than the sum of its proper divisors (4588967).

245823073 is a wasteful number, since it uses less digits than its factorization.

245823073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20387.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 245823073 is about 15678.7459001031. The cubic root of 245823073 is about 626.4324036039.

It can be divided in two parts, 24582 and 3073, that multiplied together give a triangular number (75540486 = T₁₂₂₉₁).

The spelling of 245823073 in words is "two hundred forty-five million, eight hundred twenty-three thousand, seventy-three".