45946247 has 4 divisors (see below), whose sum is σ = 47428416. Its totient is φ = 44464080.

The previous prime is 45946211. The next prime is 45946259. The reversal of 45946247 is 74264954.

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 45946247 - 2²² = 41751943 is a prime.

It is a super-2 number, since 2×45946247² = 4222115226770018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45946447) 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, 741038 + ... + 741099.

It is an arithmetic number, because the mean of its divisors is an integer number (11857104).

Almost surely, 2^45946247 is an apocalyptic number.

45946247 is a deficient number, since it is larger than the sum of its proper divisors (1482169).

45946247 is a wasteful number, since it uses less digits than its factorization.

45946247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482168.

The product of its digits is 241920, while the sum is 41.

The square root of 45946247 is about 6778.3661010600. The cubic root of 45946247 is about 358.1651677963.

The spelling of 45946247 in words is "forty-five million, nine hundred forty-six thousand, two hundred forty-seven".