45278527 has 8 divisors (see below), whose sum is σ = 52950656. Its totient is φ = 37907352.

The previous prime is 45278521. The next prime is 45278537. The reversal of 45278527 is 72587254.

It is a happy number.

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

It is not a de Polignac number, because 45278527 - 2¹¹ = 45276479 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45278527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45278521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74913 + ... + 75514.

It is an arithmetic number, because the mean of its divisors is an integer number (6618832).

Almost surely, 2^45278527 is an apocalyptic number.

45278527 is a deficient number, since it is larger than the sum of its proper divisors (7672129).

45278527 is a wasteful number, since it uses less digits than its factorization.

45278527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150477.

The product of its digits is 156800, while the sum is 40.

The square root of 45278527 is about 6728.9320846625. The cubic root of 45278527 is about 356.4216666448.

The spelling of 45278527 in words is "forty-five million, two hundred seventy-eight thousand, five hundred twenty-seven".