43400153 has 8 divisors (see below), whose sum is σ = 45047880. Its totient is φ = 41762560.

The previous prime is 43400143. The next prime is 43400171. The reversal of 43400153 is 35100434.

It can be written as a sum of positive squares in 4 ways, for example, as 994009 + 42406144 = 997^2 + 6512^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43400153 - 2⁶ = 43400089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43400143) 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, 6833 + ... + 11553.

It is an arithmetic number, because the mean of its divisors is an integer number (5630985).

Almost surely, 2^43400153 is an apocalyptic number.

It is an amenable number.

43400153 is a deficient number, since it is larger than the sum of its proper divisors (1647727).

43400153 is a wasteful number, since it uses less digits than its factorization.

43400153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 43400153 is about 6587.8792490452. The cubic root of 43400153 is about 351.4231928316.

Adding to 43400153 its reverse (35100434), we get a palindrome (78500587).

The spelling of 43400153 in words is "forty-three million, four hundred thousand, one hundred fifty-three".