42232111154 has 4 divisors (see below), whose sum is σ = 63348166734. Its totient is φ = 21116055576.

The previous prime is 42232111121. The next prime is 42232111171. The reversal of 42232111154 is 45111123224.

It is a happy number.

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., 41462326129 + 769785025 = 203623^2 + 27745^2 .

It is a super-2 number, since 2×42232111154² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10558027787 + ... + 10558027790.

Almost surely, 2^42232111154 is an apocalyptic number.

42232111154 is a deficient number, since it is larger than the sum of its proper divisors (21116055580).

42232111154 is a wasteful number, since it uses less digits than its factorization.

42232111154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21116055579.

The product of its digits is 1920, while the sum is 26.

Adding to 42232111154 its reverse (45111123224), we get a palindrome (87343234378).

The spelling of 42232111154 in words is "forty-two billion, two hundred thirty-two million, one hundred eleven thousand, one hundred fifty-four".