45872547 has 8 divisors (see below), whose sum is σ = 69901056. Its totient is φ = 26212872.

The previous prime is 45872531. The next prime is 45872551. The reversal of 45872547 is 74527854.

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

It is not a de Polignac number, because 45872547 - 2⁴ = 45872531 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 45872499 and 45872508.

It is not an unprimeable number, because it can be changed into a prime (45872147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092183 + ... + 1092224.

It is an arithmetic number, because the mean of its divisors is an integer number (8737632).

Almost surely, 2^45872547 is an apocalyptic number.

45872547 is a deficient number, since it is larger than the sum of its proper divisors (24028509).

45872547 is a wasteful number, since it uses less digits than its factorization.

45872547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184417.

The product of its digits is 313600, while the sum is 42.

The square root of 45872547 is about 6772.9275058869. The cubic root of 45872547 is about 357.9735605663.

The spelling of 45872547 in words is "forty-five million, eight hundred seventy-two thousand, five hundred forty-seven".