105442455 has 32 divisors (see below), whose sum is σ = 172343808. Its totient is φ = 55036800.

The previous prime is 105442433. The next prime is 105442459. The reversal of 105442455 is 554244501.

It is not a de Polignac number, because 105442455 - 2⁶ = 105442391 is a prime.

It is a super-2 number, since 2×105442455² = 22236222632854050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105442459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192492 + ... + 193038.

It is an arithmetic number, because the mean of its divisors is an integer number (5385744).

Almost surely, 2^105442455 is an apocalyptic number.

105442455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105442455 is a deficient number, since it is larger than the sum of its proper divisors (66901353).

105442455 is a wasteful number, since it uses less digits than its factorization.

105442455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 105442455 is about 10268.5176632268. The cubic root of 105442455 is about 472.4311257075.

Adding to 105442455 its reverse (554244501), we get a palindrome (659686956).

The spelling of 105442455 in words is "one hundred five million, four hundred forty-two thousand, four hundred fifty-five".