245305454353555 has 16 divisors (see below), whose sum is σ = 296358874841088. Its totient is φ = 194916519900000.

The previous prime is 245305454353543. The next prime is 245305454353591. The reversal of 245305454353555 is 555353454503542.

It is not a de Polignac number, because 245305454353555 - 2⁵ = 245305454353523 is a prime.

It is a super-2 number, since 2×245305454353555² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245305454353555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18288771 + ... + 28724380.

It is an arithmetic number, because the mean of its divisors is an integer number (18522429677568).

Almost surely, 2^{245305454353555} is an apocalyptic number.

245305454353555 is a deficient number, since it is larger than the sum of its proper divisors (51053420487533).

245305454353555 is a wasteful number, since it uses less digits than its factorization.

245305454353555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47020218.

The product of its (nonzero) digits is 270000000, while the sum is 58.

The spelling of 245305454353555 in words is "two hundred forty-five trillion, three hundred five billion, four hundred fifty-four million, three hundred fifty-three thousand, five hundred fifty-five".