45427642 has 8 divisors (see below), whose sum is σ = 73383156. Its totient is φ = 20966592.

The previous prime is 45427639. The next prime is 45427661. The reversal of 45427642 is 24672454.

It can be written as a sum of positive squares in 2 ways, for example, as 41229241 + 4198401 = 6421^2 + 2049^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 45427598 and 45427607.

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, 873583 + ... + 873634.

Almost surely, 2^45427642 is an apocalyptic number.

45427642 is a deficient number, since it is larger than the sum of its proper divisors (27955514).

45427642 is a wasteful number, since it uses less digits than its factorization.

45427642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747232.

The product of its digits is 53760, while the sum is 34.

The square root of 45427642 is about 6740.0031157263. The cubic root of 45427642 is about 356.8125037093.

The spelling of 45427642 in words is "forty-five million, four hundred twenty-seven thousand, six hundred forty-two".