340045445 has 8 divisors (see below), whose sum is σ = 422125560. Its totient is φ = 262655680.

The previous prime is 340045427. The next prime is 340045493. The reversal of 340045445 is 544540043.

It can be written as a sum of positive squares in 4 ways, for example, as 59382436 + 280663009 = 7706^2 + 16753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340045445 - 2¹⁴ = 340029061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172426 + ... + 1172715.

It is an arithmetic number, because the mean of its divisors is an integer number (52765695).

Almost surely, 2^340045445 is an apocalyptic number.

It is an amenable number.

340045445 is a deficient number, since it is larger than the sum of its proper divisors (82080115).

340045445 is a wasteful number, since it uses less digits than its factorization.

340045445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345175.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 340045445 is about 18440.3211739926. The cubic root of 340045445 is about 697.9842998579.

Adding to 340045445 its reverse (544540043), we get a palindrome (884585488).

The spelling of 340045445 in words is "three hundred forty million, forty-five thousand, four hundred forty-five".