45670442 has 8 divisors (see below), whose sum is σ = 68772996. Its totient is φ = 22746112.

The previous prime is 45670441. The next prime is 45670459. The reversal of 45670442 is 24407654.

It can be written as a sum of positive squares in 2 ways, for example, as 26739241 + 18931201 = 5171^2 + 4351^2 .

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 = 45670399 and 45670408.

It is not an unprimeable number, because it can be changed into a prime (45670441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43913 + ... + 44940.

Almost surely, 2^45670442 is an apocalyptic number.

45670442 is a deficient number, since it is larger than the sum of its proper divisors (23102554).

45670442 is a wasteful number, since it uses less digits than its factorization.

45670442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89112.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 45670442 is about 6757.9909736548. The cubic root of 45670442 is about 357.4470673256.

The spelling of 45670442 in words is "forty-five million, six hundred seventy thousand, four hundred forty-two".