45371647 has 4 divisors (see below), whose sum is σ = 45773280. Its totient is φ = 44970016.

The previous prime is 45371621. The next prime is 45371659. The reversal of 45371647 is 74617354.

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 45371647 - 2⁷ = 45371519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45371687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200647 + ... + 200872.

It is an arithmetic number, because the mean of its divisors is an integer number (11443320).

Almost surely, 2^45371647 is an apocalyptic number.

45371647 is a deficient number, since it is larger than the sum of its proper divisors (401633).

45371647 is a wasteful number, since it uses less digits than its factorization.

45371647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401632.

The product of its digits is 70560, while the sum is 37.

The square root of 45371647 is about 6735.8479050525. The cubic root of 45371647 is about 356.6658387419.

The spelling of 45371647 in words is "forty-five million, three hundred seventy-one thousand, six hundred forty-seven".