45205742 has 8 divisors (see below), whose sum is σ = 68326632. Its totient is φ = 22430200.

The previous prime is 45205733. The next prime is 45205747. The reversal of 45205742 is 24750254.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45205747) 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, 86009 + ... + 86532.

It is an arithmetic number, because the mean of its divisors is an integer number (8540829).

Almost surely, 2^45205742 is an apocalyptic number.

45205742 is a deficient number, since it is larger than the sum of its proper divisors (23120890).

45205742 is a wasteful number, since it uses less digits than its factorization.

45205742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172674.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 45205742 is about 6723.5215475225. The cubic root of 45205742 is about 356.2305822185.

Adding to 45205742 its reverse (24750254), we get a palindrome (69955996).

The spelling of 45205742 in words is "forty-five million, two hundred five thousand, seven hundred forty-two".