40143514 has 4 divisors (see below), whose sum is σ = 60215274. Its totient is φ = 20071756.

The previous prime is 40143491. The next prime is 40143563. The reversal of 40143514 is 41534104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35796289 + 4347225 = 5983^2 + 2085^2 .

It is a super-2 number, since 2×40143514² = 3223003432536392, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10035877 + ... + 10035880.

Almost surely, 2^40143514 is an apocalyptic number.

40143514 is a deficient number, since it is larger than the sum of its proper divisors (20071760).

40143514 is a wasteful number, since it uses less digits than its factorization.

40143514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20071759.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40143514 is about 6335.8909397179. The cubic root of 40143514 is about 342.4037103002.

Adding to 40143514 its reverse (41534104), we get a palindrome (81677618).

The spelling of 40143514 in words is "forty million, one hundred forty-three thousand, five hundred fourteen".