45048538 has 8 divisors (see below), whose sum is σ = 71547732. Its totient is φ = 21199296.

The previous prime is 45048533. The next prime is 45048539. The reversal of 45048538 is 83584054.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39652209 + 5396329 = 6297^2 + 2323^2 .

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 = 45048497 and 45048506.

It is not an unprimeable number, because it can be changed into a prime (45048533) 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, 662445 + ... + 662512.

Almost surely, 2^45048538 is an apocalyptic number.

45048538 is a deficient number, since it is larger than the sum of its proper divisors (26499194).

45048538 is a wasteful number, since it uses less digits than its factorization.

45048538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324976.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 45048538 is about 6711.8207663793. The cubic root of 45048538 is about 355.8171693021.

The spelling of 45048538 in words is "forty-five million, forty-eight thousand, five hundred thirty-eight".