100545950 has 24 divisors (see below), whose sum is σ = 187313160. Its totient is φ = 40154400.

The previous prime is 100545947. The next prime is 100545953. The reversal of 100545950 is 59545001.

It is an interprime number because it is at equal distance from previous prime (100545947) and next prime (100545953).

It is a super-2 number, since 2×100545950² = 20218976122805000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100545953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41780 + ... + 44120.

It is an arithmetic number, because the mean of its divisors is an integer number (7804715).

Almost surely, 2^100545950 is an apocalyptic number.

100545950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100545950 is a deficient number, since it is larger than the sum of its proper divisors (86767210).

100545950 is a wasteful number, since it uses less digits than its factorization.

100545950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212 (or 3207 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 100545950 is about 10027.2603436831. The cubic root of 100545950 is about 465.0020426164.

The spelling of 100545950 in words is "one hundred million, five hundred forty-five thousand, nine hundred fifty".