105045555 has 16 divisors (see below), whose sum is σ = 169739424. Its totient is φ = 55468800.

The previous prime is 105045541. The next prime is 105045557. The reversal of 105045555 is 555540501.

It is not a de Polignac number, because 105045555 - 2⁴ = 105045539 is a prime.

It is a super-2 number, since 2×105045555² = 22069137250516050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105045557) 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, 33154 + ... + 36183.

It is an arithmetic number, because the mean of its divisors is an integer number (10608714).

Almost surely, 2^105045555 is an apocalyptic number.

105045555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105045555 is a deficient number, since it is larger than the sum of its proper divisors (64693869).

105045555 is a wasteful number, since it uses less digits than its factorization.

105045555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69446.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 105045555 is about 10249.1733813025. The cubic root of 105045555 is about 471.8376150082.

The spelling of 105045555 in words is "one hundred five million, forty-five thousand, five hundred fifty-five".