42741577154 has 4 divisors (see below), whose sum is σ = 64112365734. Its totient is φ = 21370788576.

The previous prime is 42741577141. The next prime is 42741577169. The reversal of 42741577154 is 45177514724.

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., 22184613025 + 20556964129 = 148945^2 + 143377^2 .

It is a super-2 number, since 2×42741577154² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42741577099 and 42741577108.

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 as a sum of consecutive naturals, namely, 10685394287 + ... + 10685394290.

Almost surely, 2^42741577154 is an apocalyptic number.

42741577154 is a deficient number, since it is larger than the sum of its proper divisors (21370788580).

42741577154 is a wasteful number, since it uses less digits than its factorization.

42741577154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21370788579.

The product of its digits is 1097600, while the sum is 47.

The spelling of 42741577154 in words is "forty-two billion, seven hundred forty-one million, five hundred seventy-seven thousand, one hundred fifty-four".