345440552 has 8 divisors (see below), whose sum is σ = 647701050. Its totient is φ = 172720272.

The previous prime is 345440531. The next prime is 345440567. The reversal of 345440552 is 255044543.

It can be written as a sum of positive squares in only one way, i.e., 345439396 + 1156 = 18586^2 + 34^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21590027 + ... + 21590042.

Almost surely, 2^345440552 is an apocalyptic number.

It is an amenable number.

345440552 is a deficient number, since it is larger than the sum of its proper divisors (302260498).

345440552 is a wasteful number, since it uses less digits than its factorization.

345440552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43180075 (or 43180071 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 345440552 is about 18586.0310986504. The cubic root of 345440552 is about 701.6563172407.

The spelling of 345440552 in words is "three hundred forty-five million, four hundred forty thousand, five hundred fifty-two".