109544742 has 12 divisors (see below), whose sum is σ = 237346980. Its totient is φ = 36514908.

The previous prime is 109544741. The next prime is 109544783. The reversal of 109544742 is 247445901.

It is a happy number.

109544742 is a `hidden beast` number, since 109 + 544 + 7 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 109544697 and 109544706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109544741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3042892 + ... + 3042927.

It is an arithmetic number, because the mean of its divisors is an integer number (19778915).

Almost surely, 2^109544742 is an apocalyptic number.

109544742 is an abundant number, since it is smaller than the sum of its proper divisors (127802238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109544742 is a wasteful number, since it uses less digits than its factorization.

109544742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6085827 (or 6085824 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 109544742 is about 10466.3624053441. The cubic root of 109544742 is about 478.4800619307.

The spelling of 109544742 in words is "one hundred nine million, five hundred forty-four thousand, seven hundred forty-two".