43151052 has 72 divisors (see below), whose sum is σ = 121529856. Its totient is φ = 11671776.

The previous prime is 43151047. The next prime is 43151057. The reversal of 43151052 is 25015134.

43151052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43151047) and next prime (43151057).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43151057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29613 + ... + 31035.

Almost surely, 2^43151052 is an apocalyptic number.

43151052 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43151052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60764928).

43151052 is an abundant number, since it is smaller than the sum of its proper divisors (78378804).

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

43151052 is a wasteful number, since it uses less digits than its factorization.

43151052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 43151052 is about 6568.9460341823. The cubic root of 43151052 is about 350.7495555203.

Adding to 43151052 its reverse (25015134), we get a palindrome (68166186).

The spelling of 43151052 in words is "forty-three million, one hundred fifty-one thousand, fifty-two".