45238647 has 4 divisors (see below), whose sum is σ = 60318200. Its totient is φ = 30159096.

The previous prime is 45238619. The next prime is 45238651. The reversal of 45238647 is 74683254.

It is a happy number.

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

It is not a de Polignac number, because 45238647 - 2¹⁰ = 45237623 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 (45238247) 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, 7539772 + ... + 7539777.

It is an arithmetic number, because the mean of its divisors is an integer number (15079550).

Almost surely, 2^45238647 is an apocalyptic number.

45238647 is a deficient number, since it is larger than the sum of its proper divisors (15079553).

45238647 is a wasteful number, since it uses less digits than its factorization.

45238647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15079552.

The product of its digits is 161280, while the sum is 39.

The square root of 45238647 is about 6725.9681087558. The cubic root of 45238647 is about 356.3169939874.

The spelling of 45238647 in words is "forty-five million, two hundred thirty-eight thousand, six hundred forty-seven".