45542245 has 16 divisors (see below), whose sum is σ = 63393408. Its totient is φ = 30761280.

The previous prime is 45542243. The next prime is 45542249. The reversal of 45542245 is 54224554.

It is not a de Polignac number, because 45542245 - 2¹ = 45542243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45542243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7366 + ... + 12055.

It is an arithmetic number, because the mean of its divisors is an integer number (3962088).

Almost surely, 2^45542245 is an apocalyptic number.

It is an amenable number.

45542245 is a deficient number, since it is larger than the sum of its proper divisors (17851163).

45542245 is a wasteful number, since it uses less digits than its factorization.

45542245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19500.

The product of its digits is 32000, while the sum is 31.

The square root of 45542245 is about 6748.4994628436. The cubic root of 45542245 is about 357.1123024146.

Adding to 45542245 its reverse (54224554), we get a palindrome (99766799).

The spelling of 45542245 in words is "forty-five million, five hundred forty-two thousand, two hundred forty-five".