245340154445 has 32 divisors (see below), whose sum is σ = 310142991840. Its totient is φ = 186112650240.

The previous prime is 245340154427. The next prime is 245340154463. The reversal of 245340154445 is 544451043542.

It is an interprime number because it is at equal distance from previous prime (245340154427) and next prime (245340154463).

It can be written as a sum of positive squares in 16 ways, for example, as 98205770884 + 147134383561 = 313378^2 + 383581^2 .

It is not a de Polignac number, because 245340154445 - 2²⁸ = 245071718989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1130339 + ... + 1329791.

It is an arithmetic number, because the mean of its divisors is an integer number (9691968495).

Almost surely, 2^245340154445 is an apocalyptic number.

It is an amenable number.

245340154445 is a deficient number, since it is larger than the sum of its proper divisors (64802837395).

245340154445 is a wasteful number, since it uses less digits than its factorization.

245340154445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199665.

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 245340154445 its reverse (544451043542), we get a palindrome (789791197987).

The spelling of 245340154445 in words is "two hundred forty-five billion, three hundred forty million, one hundred fifty-four thousand, four hundred forty-five".