105450078 has 16 divisors (see below), whose sum is σ = 220070016. Its totient is φ = 33621720.

The previous prime is 105450077. The next prime is 105450083. The reversal of 105450078 is 870054501.

It is a super-2 number, since 2×105450078² = 22239437900412168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105450077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381928 + ... + 382203.

It is an arithmetic number, because the mean of its divisors is an integer number (13754376).

Almost surely, 2^105450078 is an apocalyptic number.

105450078 is an abundant number, since it is smaller than the sum of its proper divisors (114619938).

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

105450078 is a wasteful number, since it uses less digits than its factorization.

105450078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764159.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 105450078 is about 10268.8888395970. Note that the first 4 decimals coincide. The cubic root of 105450078 is about 472.4425102922.

The spelling of 105450078 in words is "one hundred five million, four hundred fifty thousand, seventy-eight".