111445242154 has 16 divisors (see below), whose sum is σ = 170403458400. Its totient is φ = 54645095440.

The previous prime is 111445242151. The next prime is 111445242239. The reversal of 111445242154 is 451242544111.

It is not an unprimeable number, because it can be changed into a prime (111445242151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27952 + ... + 472939.

It is an arithmetic number, because the mean of its divisors is an integer number (10650216150).

Almost surely, 2^111445242154 is an apocalyptic number.

111445242154 is a deficient number, since it is larger than the sum of its proper divisors (58958216246).

111445242154 is a wasteful number, since it uses less digits than its factorization.

111445242154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503045.

The product of its digits is 25600, while the sum is 34.

Adding to 111445242154 its reverse (451242544111), we get a palindrome (562687786265).

The spelling of 111445242154 in words is "one hundred eleven billion, four hundred forty-five million, two hundred forty-two thousand, one hundred fifty-four".