45027947 has 8 divisors (see below), whose sum is σ = 45447696. Its totient is φ = 44610592.

The previous prime is 45027919. The next prime is 45027959. The reversal of 45027947 is 74972054.

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

It is a cyclic number.

It is not a de Polignac number, because 45027947 - 2¹² = 45023851 is a prime.

It is a super-2 number, since 2×45027947² = 4055032022069618, which contains 22 as substring.

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 45027947.

It is not an unprimeable number, because it can be changed into a prime (45027547) 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, 66173 + ... + 66849.

It is an arithmetic number, because the mean of its divisors is an integer number (5680962).

Almost surely, 2^45027947 is an apocalyptic number.

45027947 is a deficient number, since it is larger than the sum of its proper divisors (419749).

45027947 is a wasteful number, since it uses less digits than its factorization.

45027947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 45027947 is about 6710.2866555759. The cubic root of 45027947 is about 355.7629481720.

The spelling of 45027947 in words is "forty-five million, twenty-seven thousand, nine hundred forty-seven".