345455479 has 2 divisors, whose sum is σ = 345455480. Its totient is φ = 345455478.

The previous prime is 345455459. The next prime is 345455483. The reversal of 345455479 is 974554543.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345455479 - 2⁵ = 345455447 is a prime.

It is a super-2 number, since 2×345455479² = 238678975942238882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345455459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172727739 + 172727740.

It is an arithmetic number, because the mean of its divisors is an integer number (172727740).

Almost surely, 2^345455479 is an apocalyptic number.

345455479 is a deficient number, since it is larger than the sum of its proper divisors (1).

345455479 is an equidigital number, since it uses as much as digits as its factorization.

345455479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 46.

The square root of 345455479 is about 18586.4326593351. The cubic root of 345455479 is about 701.6664236328. Note that the first 3 decimals are identical.

The spelling of 345455479 in words is "three hundred forty-five million, four hundred fifty-five thousand, four hundred seventy-nine".