345502453 has 4 divisors (see below), whose sum is σ = 345970720. Its totient is φ = 345034188.

The previous prime is 345502447. The next prime is 345502489. The reversal of 345502453 is 354205543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345502453 - 2⁹ = 345501941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345505453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233025 + ... + 234502.

It is an arithmetic number, because the mean of its divisors is an integer number (86492680).

Almost surely, 2^345502453 is an apocalyptic number.

It is an amenable number.

345502453 is a deficient number, since it is larger than the sum of its proper divisors (468267).

345502453 is an equidigital number, since it uses as much as digits as its factorization.

345502453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468266.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 345502453 is about 18587.6962800666. The cubic root of 345502453 is about 701.6982256900.

Adding to 345502453 its reverse (354205543), we get a palindrome (699707996).

The spelling of 345502453 in words is "three hundred forty-five million, five hundred two thousand, four hundred fifty-three".