100997546 has 16 divisors (see below), whose sum is σ = 168777000. Its totient is φ = 45006528.

The previous prime is 100997543. The next prime is 100997569. The reversal of 100997546 is 645799001.

It can be written as a sum of positive squares in 4 ways, for example, as 79477225 + 21520321 = 8915^2 + 4639^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100997543) 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, 66221 + ... + 67728.

Almost surely, 2^100997546 is an apocalyptic number.

100997546 is a deficient number, since it is larger than the sum of its proper divisors (67779454).

100997546 is a wasteful number, since it uses less digits than its factorization.

100997546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133993.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 100997546 is about 10049.7535293160. The cubic root of 100997546 is about 465.6971790332.

The spelling of 100997546 in words is "one hundred million, nine hundred ninety-seven thousand, five hundred forty-six".