43142131545 has 16 divisors (see below), whose sum is σ = 69032091840. Its totient is φ = 23007576384.

The previous prime is 43142131507. The next prime is 43142131583. The reversal of 43142131545 is 54513124134.

It is an interprime number because it is at equal distance from previous prime (43142131507) and next prime (43142131583).

It is not a de Polignac number, because 43142131545 - 2²¹ = 43140034393 is a prime.

It is a super-3 number, since 3×43142131545³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151542 + ... + 330528.

It is an arithmetic number, because the mean of its divisors is an integer number (4314505740).

Almost surely, 2^43142131545 is an apocalyptic number.

It is an amenable number.

43142131545 is a deficient number, since it is larger than the sum of its proper divisors (25889960295).

43142131545 is a wasteful number, since it uses less digits than its factorization.

43142131545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195064.

The product of its digits is 28800, while the sum is 33.

Adding to 43142131545 its reverse (54513124134), we get a palindrome (97655255679).

The spelling of 43142131545 in words is "forty-three billion, one hundred forty-two million, one hundred thirty-one thousand, five hundred forty-five".