47145294 has 64 divisors (see below), whose sum is σ = 120545280. Its totient is φ = 13379040.

The previous prime is 47145281. The next prime is 47145299. The reversal of 47145294 is 49254174.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47145299) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71872 + ... + 72524.

It is an arithmetic number, because the mean of its divisors is an integer number (1883520).

Almost surely, 2^47145294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47145294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60272640).

47145294 is an abundant number, since it is smaller than the sum of its proper divisors (73399986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47145294 is a wasteful number, since it uses less digits than its factorization.

47145294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 856 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 47145294 is about 6866.2430775498. The cubic root of 47145294 is about 361.2540983639.

The spelling of 47145294 in words is "forty-seven million, one hundred forty-five thousand, two hundred ninety-four".