45840346 has 4 divisors (see below), whose sum is σ = 68760522. Its totient is φ = 22920172.

The previous prime is 45840323. The next prime is 45840349. The reversal of 45840346 is 64304854.

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., 41796225 + 4044121 = 6465^2 + 2011^2 .

It is not an unprimeable number, because it can be changed into a prime (45840349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11460085 + ... + 11460088.

Almost surely, 2^45840346 is an apocalyptic number.

45840346 is a deficient number, since it is larger than the sum of its proper divisors (22920176).

45840346 is a wasteful number, since it uses less digits than its factorization.

45840346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22920175.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 45840346 is about 6770.5499038114. The cubic root of 45840346 is about 357.8897791208.

It can be divided in two parts, 458 and 40346, that added together give a palindrome (40804).

The spelling of 45840346 in words is "forty-five million, eight hundred forty thousand, three hundred forty-six".