100161545 has 16 divisors (see below), whose sum is σ = 131423040. Its totient is φ = 72676800.

The previous prime is 100161541. The next prime is 100161547. The reversal of 100161545 is 545161001.

It is not a de Polignac number, because 100161545 - 2² = 100161541 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100161545.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25151 + ... + 28859.

It is an arithmetic number, because the mean of its divisors is an integer number (8213940).

Almost surely, 2^100161545 is an apocalyptic number.

It is an amenable number.

100161545 is a deficient number, since it is larger than the sum of its proper divisors (31261495).

100161545 is a wasteful number, since it uses less digits than its factorization.

100161545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 100161545 is about 10008.0739905338. The cubic root of 100161545 is about 464.4086907151.

The spelling of 100161545 in words is "one hundred million, one hundred sixty-one thousand, five hundred forty-five".