345368554 has 4 divisors (see below), whose sum is σ = 518052834. Its totient is φ = 172684276.

The previous prime is 345368521. The next prime is 345368557. The reversal of 345368554 is 455863543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455863543 = 41 ⋅11118623.

It can be written as a sum of positive squares in only one way, i.e., 194742025 + 150626529 = 13955^2 + 12273^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 345368554.

It is not an unprimeable number, because it can be changed into a prime (345368557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86342137 + ... + 86342140.

Almost surely, 2^345368554 is an apocalyptic number.

345368554 is a deficient number, since it is larger than the sum of its proper divisors (172684280).

345368554 is a wasteful number, since it uses less digits than its factorization.

345368554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172684279.

The product of its digits is 864000, while the sum is 43.

The square root of 345368554 is about 18584.0941129774. The cubic root of 345368554 is about 701.6075665836.

The spelling of 345368554 in words is "three hundred forty-five million, three hundred sixty-eight thousand, five hundred fifty-four".