345037297 has 4 divisors (see below), whose sum is σ = 376404336. Its totient is φ = 313670260.

The previous prime is 345037267. The next prime is 345037307. The reversal of 345037297 is 792730543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345037297 - 2¹⁵ = 345004529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345037267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15683503 + ... + 15683524.

It is an arithmetic number, because the mean of its divisors is an integer number (94101084).

Almost surely, 2^345037297 is an apocalyptic number.

It is an amenable number.

345037297 is a deficient number, since it is larger than the sum of its proper divisors (31367039).

345037297 is a wasteful number, since it uses less digits than its factorization.

345037297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31367038.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 345037297 is about 18575.1795953633. The cubic root of 345037297 is about 701.3831813967.

The spelling of 345037297 in words is "three hundred forty-five million, thirty-seven thousand, two hundred ninety-seven".