345455110420451 has 4 divisors (see below), whose sum is σ = 345455340388992. Its totient is φ = 345454880451912.

The previous prime is 345455110420421. The next prime is 345455110420457. The reversal of 345455110420451 is 154024011554543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345455110420451 - 2¹⁴ = 345455110404067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345455110420457) 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 3 ways as a sum of consecutive naturals, for example, 112716080 + ... + 115740333.

It is an arithmetic number, because the mean of its divisors is an integer number (86363835097248).

Almost surely, 2^{345455110420451} is an apocalyptic number.

345455110420451 is a deficient number, since it is larger than the sum of its proper divisors (229968541).

345455110420451 is a wasteful number, since it uses less digits than its factorization.

345455110420451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229968540.

The product of its (nonzero) digits is 960000, while the sum is 44.

Adding to 345455110420451 its reverse (154024011554543), we get a palindrome (499479121974994).

The spelling of 345455110420451 in words is "three hundred forty-five trillion, four hundred fifty-five billion, one hundred ten million, four hundred twenty thousand, four hundred fifty-one".