45971047 has 4 divisors (see below), whose sum is σ = 47454016. Its totient is φ = 44488080.

The previous prime is 45971039. The next prime is 45971071. The reversal of 45971047 is 74017954.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45971047 - 2³ = 45971039 is a prime.

It is a super-2 number, since 2×45971047² = 4226674324552418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45970997 and 45971015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45971747) 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 3 ways as a sum of consecutive naturals, for example, 741438 + ... + 741499.

It is an arithmetic number, because the mean of its divisors is an integer number (11863504).

Almost surely, 2^45971047 is an apocalyptic number.

45971047 is a deficient number, since it is larger than the sum of its proper divisors (1482969).

45971047 is a wasteful number, since it uses less digits than its factorization.

45971047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482968.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 45971047 is about 6780.1952036796. The cubic root of 45971047 is about 358.2295974221.

The spelling of 45971047 in words is "forty-five million, nine hundred seventy-one thousand, forty-seven".