245553355542 has 64 divisors (see below), whose sum is σ = 569534250240. Its totient is φ = 69795792000.

The previous prime is 245553355519. The next prime is 245553355543.

It is a happy number.

245553355542 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×245553355542² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245553355491 and 245553355500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245553355543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 842733 + ... + 1096040.

It is an arithmetic number, because the mean of its divisors is an integer number (8898972660).

Almost surely, 2^245553355542 is an apocalyptic number.

245553355542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245553355542 is an abundant number, since it is smaller than the sum of its proper divisors (323980894698).

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

245553355542 is a wasteful number, since it uses less digits than its factorization.

245553355542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938909.

The product of its digits is 9000000, while the sum is 48.

The spelling of 245553355542 in words is "two hundred forty-five billion, five hundred fifty-three million, three hundred fifty-five thousand, five hundred forty-two".