116642545 has 16 divisors (see below), whose sum is σ = 147127680. Its totient is φ = 88602624.

The previous prime is 116642543. The next prime is 116642551. The reversal of 116642545 is 545246611.

It is not a de Polignac number, because 116642545 - 2¹ = 116642543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116642545.

It is not an unprimeable number, because it can be changed into a prime (116642543) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 12337 + ... + 19633.

It is an arithmetic number, because the mean of its divisors is an integer number (9195480).

Almost surely, 2^116642545 is an apocalyptic number.

It is an amenable number.

116642545 is a deficient number, since it is larger than the sum of its proper divisors (30485135).

116642545 is a wasteful number, since it uses less digits than its factorization.

116642545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7464.

The product of its digits is 28800, while the sum is 34.

The square root of 116642545 is about 10800.1178234314. The cubic root of 116642545 is about 488.5987245584.

The spelling of 116642545 in words is "one hundred sixteen million, six hundred forty-two thousand, five hundred forty-five".