94437945 has 36 divisors (see below), whose sum is σ = 190422180. Its totient is φ = 43170624.

The previous prime is 94437913. The next prime is 94437947. The reversal of 94437945 is 54973449.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56836521 + 37601424 = 7539^2 + 6132^2 .

It is not a de Polignac number, because 94437945 - 2⁵ = 94437913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 94437945.

It is not an unprimeable number, because it can be changed into a prime (94437947) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19210 + ... + 23619.

It is an arithmetic number, because the mean of its divisors is an integer number (5289505).

Almost surely, 2^94437945 is an apocalyptic number.

It is an amenable number.

94437945 is an abundant number, since it is smaller than the sum of its proper divisors (95984235).

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

94437945 is a wasteful number, since it uses less digits than its factorization.

94437945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42854 (or 42844 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 94437945 is about 9717.9187586643. The cubic root of 94437945 is about 455.3886226120.

The spelling of 94437945 in words is "ninety-four million, four hundred thirty-seven thousand, nine hundred forty-five".