345020354 has 32 divisors (see below), whose sum is σ = 634366080. Its totient is φ = 137434752.

The previous prime is 345020341. The next prime is 345020363. The reversal of 345020354 is 453020543.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1862 + ... + 26334.

It is an arithmetic number, because the mean of its divisors is an integer number (19823940).

Almost surely, 2^345020354 is an apocalyptic number.

345020354 is a deficient number, since it is larger than the sum of its proper divisors (289345726).

345020354 is a wasteful number, since it uses less digits than its factorization.

345020354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24554.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 345020354 is about 18574.7235241874. The cubic root of 345020354 is about 701.3717007733.

Adding to 345020354 its reverse (453020543), we get a palindrome (798040897).

The spelling of 345020354 in words is "three hundred forty-five million, twenty thousand, three hundred fifty-four".