94143040 has 56 divisors (see below), whose sum is σ = 227575872. Its totient is φ = 37086720.

The previous prime is 94143037. The next prime is 94143041. The reversal of 94143040 is 4034149.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 94142996 and 94143014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94143041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19245 + ... + 23635.

Almost surely, 2^94143040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 94143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113787936).

94143040 is an abundant number, since it is smaller than the sum of its proper divisors (133432832).

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

94143040 is a wasteful number, since it uses less digits than its factorization.

94143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475 (or 4465 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 94143040 is about 9702.7336354246. The cubic root of 94143040 is about 454.9141084902.

Adding to 94143040 its reverse (4034149), we get a palindrome (98177189).

The spelling of 94143040 in words is "ninety-four million, one hundred forty-three thousand, forty".