45242522 has 8 divisors (see below), whose sum is σ = 73084116. Its totient is φ = 20881152.

The previous prime is 45242507. The next prime is 45242531. The reversal of 45242522 is 22524254.

It can be written as a sum of positive squares in 2 ways, for example, as 37957921 + 7284601 = 6161^2 + 2699^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 1740097 = 45242522 / (4 + 5 + 2 + 4 + 2 + 5 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 45242491 and 45242500.

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, 870023 + ... + 870074.

Almost surely, 2^45242522 is an apocalyptic number.

45242522 is a deficient number, since it is larger than the sum of its proper divisors (27841594).

45242522 is a wasteful number, since it uses less digits than its factorization.

45242522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740112.

The product of its digits is 6400, while the sum is 26.

The square root of 45242522 is about 6726.2561652081. The cubic root of 45242522 is about 356.3271673607.

Adding to 45242522 its reverse (22524254), we get a palindrome (67766776).

It can be divided in two parts, 4524252 and 2, that added together give a palindrome (4524254).

The spelling of 45242522 in words is "forty-five million, two hundred forty-two thousand, five hundred twenty-two".