100161544 has 32 divisors (see below), whose sum is σ = 215968320. Its totient is φ = 42659136.

The previous prime is 100161541. The next prime is 100161547. The reversal of 100161544 is 445161001.

It is an interprime number because it is at equal distance from previous prime (100161541) and next prime (100161547).

It is not an unprimeable number, because it can be changed into a prime (100161541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3642 + ... + 14614.

It is an arithmetic number, because the mean of its divisors is an integer number (6749010).

Almost surely, 2^100161544 is an apocalyptic number.

100161544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100161544 is an abundant number, since it is smaller than the sum of its proper divisors (115806776).

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

100161544 is a wasteful number, since it uses less digits than its factorization.

100161544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11149 (or 11145 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 100161544 is about 10008.0739405742. The cubic root of 100161544 is about 464.4086891696.

The spelling of 100161544 in words is "one hundred million, one hundred sixty-one thousand, five hundred forty-four".