40145141543 has 4 divisors (see below), whose sum is σ = 43233229368. Its totient is φ = 37057053720.

The previous prime is 40145141537. The next prime is 40145141683. The reversal of 40145141543 is 34514154104.

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

It is a cyclic number.

It is not a de Polignac number, because 40145141543 - 2¹² = 40145137447 is a prime.

It is a super-2 number, since 2×40145141543² (a number of 22 digits) 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 (40145141503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544043893 + ... + 1544043918.

It is an arithmetic number, because the mean of its divisors is an integer number (10808307342).

Almost surely, 2^40145141543 is an apocalyptic number.

40145141543 is a deficient number, since it is larger than the sum of its proper divisors (3088087825).

40145141543 is a wasteful number, since it uses less digits than its factorization.

40145141543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088087824.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 40145141543 its reverse (34514154104), we get a palindrome (74659295647).

The spelling of 40145141543 in words is "forty billion, one hundred forty-five million, one hundred forty-one thousand, five hundred forty-three".