245623044 has 24 divisors (see below), whose sum is σ = 591609088. Its totient is φ = 79233120.

The previous prime is 245623043. The next prime is 245623097. The reversal of 245623044 is 440326542.

It is not an unprimeable number, because it can be changed into a prime (245623043) 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, 329767 + ... + 330510.

Almost surely, 2^245623044 is an apocalyptic number.

It is an amenable number.

245623044 is an abundant number, since it is smaller than the sum of its proper divisors (345986044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245623044 is a wasteful number, since it uses less digits than its factorization.

245623044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660315 (or 660313 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 245623044 is about 15672.3656159496. The cubic root of 245623044 is about 626.2624457987.

Adding to 245623044 its reverse (440326542), we get a palindrome (685949586).

The spelling of 245623044 in words is "two hundred forty-five million, six hundred twenty-three thousand, forty-four".