345072514 has 4 divisors (see below), whose sum is σ = 517608774. Its totient is φ = 172536256.

The previous prime is 345072503. The next prime is 345072517. The reversal of 345072514 is 415270543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 329604025 + 15468489 = 18155^2 + 3933^2 .

It is not an unprimeable number, because it can be changed into a prime (345072517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86268127 + ... + 86268130.

Almost surely, 2^345072514 is an apocalyptic number.

345072514 is a deficient number, since it is larger than the sum of its proper divisors (172536260).

345072514 is a wasteful number, since it uses less digits than its factorization.

345072514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172536259.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 345072514 is about 18576.1275297087. The cubic root of 345072514 is about 701.4070433302.

The spelling of 345072514 in words is "three hundred forty-five million, seventy-two thousand, five hundred fourteen".