345774477543 has 8 divisors (see below), whose sum is σ = 502944694656. Its totient is φ = 209560289400.

The previous prime is 345774477527. The next prime is 345774477553.

345774477543 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345774477543 - 2⁴ = 345774477527 is a prime.

It is a super-2 number, since 2×345774477543² (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 (345774477523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5239007203 + ... + 5239007268.

It is an arithmetic number, because the mean of its divisors is an integer number (62868086832).

Almost surely, 2^345774477543 is an apocalyptic number.

345774477543 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

345774477543 is a deficient number, since it is larger than the sum of its proper divisors (157170217113).

345774477543 is a wasteful number, since it uses less digits than its factorization.

345774477543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10478014485.

The product of its digits is 138297600, while the sum is 60.

The spelling of 345774477543 in words is "three hundred forty-five billion, seven hundred seventy-four million, four hundred seventy-seven thousand, five hundred forty-three".