245743347542 has 24 divisors (see below), whose sum is σ = 467778619080. Its totient is φ = 95744160960.

The previous prime is 245743347541. The next prime is 245743347557.

245743347542 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×245743347542² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245743347541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113980067 + ... + 113982222.

It is an arithmetic number, because the mean of its divisors is an integer number (19490775795).

Almost surely, 2^245743347542 is an apocalyptic number.

245743347542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245743347542 is a deficient number, since it is larger than the sum of its proper divisors (222035271538).

245743347542 is a wasteful number, since it uses less digits than its factorization.

245743347542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227962316 (or 227962309 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 50.

The spelling of 245743347542 in words is "two hundred forty-five billion, seven hundred forty-three million, three hundred forty-seven thousand, five hundred forty-two".