45100047 has 8 divisors (see below), whose sum is σ = 60445744. Its totient is φ = 29910528.

The previous prime is 45100043. The next prime is 45100063. The reversal of 45100047 is 74000154.

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

It is not a de Polignac number, because 45100047 - 2² = 45100043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45099996 and 45100032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45100043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38368 + ... + 39525.

It is an arithmetic number, because the mean of its divisors is an integer number (7555718).

Almost surely, 2^45100047 is an apocalyptic number.

45100047 is a deficient number, since it is larger than the sum of its proper divisors (15345697).

45100047 is a wasteful number, since it uses less digits than its factorization.

45100047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78089.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 45100047 is about 6715.6568554386. The cubic root of 45100047 is about 355.9527327515.

The spelling of 45100047 in words is "forty-five million, one hundred thousand, forty-seven".