45840146 has 8 divisors (see below), whose sum is σ = 75011184. Its totient is φ = 20836420.

The previous prime is 45840139. The next prime is 45840167. The reversal of 45840146 is 64104854.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041800 + ... + 1041843.

It is an arithmetic number, because the mean of its divisors is an integer number (9376398).

Almost surely, 2^45840146 is an apocalyptic number.

45840146 is a deficient number, since it is larger than the sum of its proper divisors (29171038).

45840146 is a wasteful number, since it uses less digits than its factorization.

45840146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083656.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 45840146 is about 6770.5351339462. The cubic root of 45840146 is about 357.8892586327.

It can be divided in two parts, 458 and 40146, that added together give a palindrome (40604).

The spelling of 45840146 in words is "forty-five million, eight hundred forty thousand, one hundred forty-six".