43140151 has 4 divisors (see below), whose sum is σ = 43871400. Its totient is φ = 42408904.

The previous prime is 43140121. The next prime is 43140193. The reversal of 43140151 is 15104134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15104134 = 2 ⋅7552067.

It is a cyclic number.

It is not a de Polignac number, because 43140151 - 2⁹ = 43139639 is a prime.

It is a super-2 number, since 2×43140151² = 3722145256605602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43140121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365536 + ... + 365653.

It is an arithmetic number, because the mean of its divisors is an integer number (10967850).

Almost surely, 2^43140151 is an apocalyptic number.

43140151 is a deficient number, since it is larger than the sum of its proper divisors (731249).

43140151 is an equidigital number, since it uses as much as digits as its factorization.

43140151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731248.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 43140151 is about 6568.1162444037. The cubic root of 43140151 is about 350.7200170908.

Adding to 43140151 its reverse (15104134), we get a palindrome (58244285).

The spelling of 43140151 in words is "forty-three million, one hundred forty thousand, one hundred fifty-one".