245243140554 has 16 divisors (see below), whose sum is σ = 490498238592. Its totient is φ = 81745720608.

The previous prime is 245243140537. The next prime is 245243140603. The reversal of 245243140554 is 455041342542.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219619 + ... + 733974.

It is an arithmetic number, because the mean of its divisors is an integer number (30656139912).

Almost surely, 2^245243140554 is an apocalyptic number.

245243140554 is an abundant number, since it is smaller than the sum of its proper divisors (245255098038).

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

245243140554 is a wasteful number, since it uses less digits than its factorization.

245243140554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996461.

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 245243140554 in words is "two hundred forty-five billion, two hundred forty-three million, one hundred forty thousand, five hundred fifty-four".