43545796955149 has 4 divisors (see below), whose sum is σ = 45837681005440. Its totient is φ = 41253912904860.

The previous prime is 43545796955119. The next prime is 43545796955153. The reversal of 43545796955149 is 94155969754534.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 43545796955149 - 2⁷ = 43545796955021 is a prime.

It is a super-2 number, since 2×43545796955149² (a number of 28 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 (43545796955119) 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, 1145942025117 + ... + 1145942025154.

It is an arithmetic number, because the mean of its divisors is an integer number (11459420251360).

Almost surely, 2^{43545796955149} is an apocalyptic number.

It is an amenable number.

43545796955149 is a deficient number, since it is larger than the sum of its proper divisors (2291884050291).

43545796955149 is a wasteful number, since it uses less digits than its factorization.

43545796955149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291884050290.

The product of its digits is 3674160000, while the sum is 76.

The spelling of 43545796955149 in words is "forty-three trillion, five hundred forty-five billion, seven hundred ninety-six million, nine hundred fifty-five thousand, one hundred forty-nine".