245559955542 has 16 divisors (see below), whose sum is σ = 535767175872. Its totient is φ = 74412107720.

The previous prime is 245559955507. The next prime is 245559955549.

245559955542 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245559955549) 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, 1860302628 + ... + 1860302759.

It is an arithmetic number, because the mean of its divisors is an integer number (33485448492).

Almost surely, 2^245559955542 is an apocalyptic number.

245559955542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245559955542 is an abundant number, since it is smaller than the sum of its proper divisors (290207220330).

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

245559955542 is a wasteful number, since it uses less digits than its factorization.

245559955542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720605403.

The product of its digits is 81000000, while the sum is 60.

The spelling of 245559955542 in words is "two hundred forty-five billion, five hundred fifty-nine million, nine hundred fifty-five thousand, five hundred forty-two".