346442145 has 32 divisors (see below), whose sum is σ = 637029120. Its totient is φ = 157489920.

The previous prime is 346442093. The next prime is 346442153. The reversal of 346442145 is 541244643.

It is a happy number.

It is not a de Polignac number, because 346442145 - 2⁸ = 346441889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9891 + ... + 28119.

It is an arithmetic number, because the mean of its divisors is an integer number (19907160).

Almost surely, 2^346442145 is an apocalyptic number.

346442145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

346442145 is a deficient number, since it is larger than the sum of its proper divisors (290586975).

346442145 is a wasteful number, since it uses less digits than its factorization.

346442145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18425.

The product of its digits is 46080, while the sum is 33.

The square root of 346442145 is about 18612.9563745258. The cubic root of 346442145 is about 702.3338056639. Note that the first 3 decimals are identical.

Adding to 346442145 its reverse (541244643), we get a palindrome (887686788).

The spelling of 346442145 in words is "three hundred forty-six million, four hundred forty-two thousand, one hundred forty-five".