2153545043 has 8 divisors (see below), whose sum is σ = 2319645888. Its totient is φ = 1987507584.

The previous prime is 2153545007. The next prime is 2153545081. The reversal of 2153545043 is 3405453512.

It is a happy number.

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 2153545043 - 2⁸ = 2153544787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153545243) 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, 73355 + ... + 98427.

It is an arithmetic number, because the mean of its divisors is an integer number (289955736).

Almost surely, 2^2153545043 is an apocalyptic number.

2153545043 is a deficient number, since it is larger than the sum of its proper divisors (166100845).

2153545043 is a wasteful number, since it uses less digits than its factorization.

2153545043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31693.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2153545043 is about 46406.3039144468. The cubic root of 2153545043 is about 1291.3718640778.

Adding to 2153545043 its reverse (3405453512), we get a palindrome (5558998555).

The spelling of 2153545043 in words is "two billion, one hundred fifty-three million, five hundred forty-five thousand, forty-three".