45621634 has 4 divisors (see below), whose sum is σ = 68432454. Its totient is φ = 22810816.

The previous prime is 45621619. The next prime is 45621647. The reversal of 45621634 is 43612654.

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., 33350625 + 12271009 = 5775^2 + 3503^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 45621596 and 45621605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11405407 + ... + 11405410.

Almost surely, 2^45621634 is an apocalyptic number.

45621634 is a deficient number, since it is larger than the sum of its proper divisors (22810820).

45621634 is a wasteful number, since it uses less digits than its factorization.

45621634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22810819.

The product of its digits is 17280, while the sum is 31.

The square root of 45621634 is about 6754.3788759589. The cubic root of 45621634 is about 357.3196873811.

The spelling of 45621634 in words is "forty-five million, six hundred twenty-one thousand, six hundred thirty-four".