45913642 has 16 divisors (see below), whose sum is σ = 71309952. Its totient is φ = 22157280.

The previous prime is 45913639. The next prime is 45913643. The reversal of 45913642 is 24631954.

It is a happy number.

45913642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45913598 and 45913607.

It is not an unprimeable number, because it can be changed into a prime (45913643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3517 + ... + 10207.

It is an arithmetic number, because the mean of its divisors is an integer number (4456872).

Almost surely, 2^45913642 is an apocalyptic number.

45913642 is a deficient number, since it is larger than the sum of its proper divisors (25396310).

45913642 is a wasteful number, since it uses less digits than its factorization.

45913642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813.

The product of its digits is 25920, while the sum is 34.

The square root of 45913642 is about 6775.9605961074. The cubic root of 45913642 is about 358.0804257371.

The spelling of 45913642 in words is "forty-five million, nine hundred thirteen thousand, six hundred forty-two".