345120461 has 4 divisors (see below), whose sum is σ = 394423392. Its totient is φ = 295817532.

The previous prime is 345120449. The next prime is 345120467. The reversal of 345120461 is 164021543.

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 345120461 - 2¹⁴ = 345104077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345120461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345120467) 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, 24651455 + ... + 24651468.

It is an arithmetic number, because the mean of its divisors is an integer number (98605848).

Almost surely, 2^345120461 is an apocalyptic number.

It is an amenable number.

345120461 is a deficient number, since it is larger than the sum of its proper divisors (49302931).

345120461 is an equidigital number, since it uses as much as digits as its factorization.

345120461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49302930.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 345120461 is about 18577.4180391140. The cubic root of 345120461 is about 701.4395281024.

The spelling of 345120461 in words is "three hundred forty-five million, one hundred twenty thousand, four hundred sixty-one".