105445700 has 18 divisors (see below), whose sum is σ = 228817386. Its totient is φ = 42178240.

The previous prime is 105445667. The next prime is 105445709. The reversal of 105445700 is 7544501.

It can be written as a sum of positive squares in 3 ways, for example, as 24049216 + 81396484 = 4904^2 + 9022^2 .

It is a super-2 number, since 2×105445700² = 22237591296980000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105445700.

It is not an unprimeable number, because it can be changed into a prime (105445709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 527129 + ... + 527328.

It is an arithmetic number, because the mean of its divisors is an integer number (12712077).

Almost surely, 2^105445700 is an apocalyptic number.

105445700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105445700 is an abundant number, since it is smaller than the sum of its proper divisors (123371686).

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

105445700 is a wasteful number, since it uses less digits than its factorization.

105445700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054471 (or 1054464 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 105445700 is about 10268.6756692380. The cubic root of 105445700 is about 472.4359720263.

The spelling of 105445700 in words is "one hundred five million, four hundred forty-five thousand, seven hundred".