345543442251 has 16 divisors (see below), whose sum is σ = 537745419264. Its totient is φ = 193252258944.

The previous prime is 345543442247. The next prime is 345543442291. The reversal of 345543442251 is 152244345543.

It is not a de Polignac number, because 345543442251 - 2² = 345543442247 is a prime.

It is a super-4 number, since 4×345543442251⁴ (a number of 47 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (345543442291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175046350 + ... + 175048323.

It is an arithmetic number, because the mean of its divisors is an integer number (33609088704).

Almost surely, 2^345543442251 is an apocalyptic number.

345543442251 is a deficient number, since it is larger than the sum of its proper divisors (192201977013).

345543442251 is a wasteful number, since it uses less digits than its factorization.

345543442251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350094730.

The product of its digits is 1152000, while the sum is 42.

Adding to 345543442251 its reverse (152244345543), we get a palindrome (497787787794).

The spelling of 345543442251 in words is "three hundred forty-five billion, five hundred forty-three million, four hundred forty-two thousand, two hundred fifty-one".