45661838 has 4 divisors (see below), whose sum is σ = 68492760. Its totient is φ = 22830918.

The previous prime is 45661801. The next prime is 45661841. The reversal of 45661838 is 83816654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83816654 = 2 ⋅41908327.

It is a junction number, because it is equal to n+sod(n) for n = 45661795 and 45661804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11415458 + ... + 11415461.

It is an arithmetic number, because the mean of its divisors is an integer number (17123190).

Almost surely, 2^45661838 is an apocalyptic number.

45661838 is a deficient number, since it is larger than the sum of its proper divisors (22830922).

45661838 is a wasteful number, since it uses less digits than its factorization.

45661838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22830921.

The product of its digits is 138240, while the sum is 41.

The square root of 45661838 is about 6757.3543639504. The cubic root of 45661838 is about 357.4246190521.

The spelling of 45661838 in words is "forty-five million, six hundred sixty-one thousand, eight hundred thirty-eight".