345131244 has 36 divisors (see below), whose sum is σ = 892707816. Its totient is φ = 112367808.

The previous prime is 345131239. The next prime is 345131273. The reversal of 345131244 is 442131543.

It is a happy number.

345131244 is a `hidden beast` number, since 345 + 1 + 312 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×345131244³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109929 + ... + 113024.

Almost surely, 2^345131244 is an apocalyptic number.

It is an amenable number.

345131244 is an abundant number, since it is smaller than the sum of its proper divisors (547576572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345131244 is a wasteful number, since it uses less digits than its factorization.

345131244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223006 (or 223001 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 345131244 is about 18577.7082547875. The cubic root of 345131244 is about 701.4468333233.

Adding to 345131244 its reverse (442131543), we get a palindrome (787262787).

The spelling of 345131244 in words is "three hundred forty-five million, one hundred thirty-one thousand, two hundred forty-four".