245491484 has 24 divisors (see below), whose sum is σ = 498314880. Its totient is φ = 103639536.

The previous prime is 245491469. The next prime is 245491487. The reversal of 245491484 is 484194542.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245491487) 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, 63554 + ... + 67305.

It is an arithmetic number, because the mean of its divisors is an integer number (20763120).

Almost surely, 2^245491484 is an apocalyptic number.

It is an amenable number.

245491484 is an abundant number, since it is smaller than the sum of its proper divisors (252823396).

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

245491484 is a wasteful number, since it uses less digits than its factorization.

245491484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130937 (or 130935 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 245491484 is about 15668.1678571555. The cubic root of 245491484 is about 626.1506134553.

The spelling of 245491484 in words is "two hundred forty-five million, four hundred ninety-one thousand, four hundred eighty-four".