45170242 has 8 divisors (see below), whose sum is σ = 72967356. Its totient is φ = 20847792.

The previous prime is 45170231. The next prime is 45170249. The reversal of 45170242 is 24207154.

It can be written as a sum of positive squares in 2 ways, for example, as 45144961 + 25281 = 6719^2 + 159^2 .

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

It is not an unprimeable number, because it can be changed into a prime (45170249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868633 + ... + 868684.

Almost surely, 2^45170242 is an apocalyptic number.

45170242 is a deficient number, since it is larger than the sum of its proper divisors (27797114).

45170242 is a wasteful number, since it uses less digits than its factorization.

45170242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737332.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 45170242 is about 6720.8810434347. The cubic root of 45170242 is about 356.1373086881.

Adding to 45170242 its reverse (24207154), we get a palindrome (69377396).

The spelling of 45170242 in words is "forty-five million, one hundred seventy thousand, two hundred forty-two".