101802045 has 16 divisors (see below), whose sum is σ = 163740672. Its totient is φ = 54008640.

The previous prime is 101802017. The next prime is 101802049. The reversal of 101802045 is 540208101.

It is not a de Polignac number, because 101802045 - 2⁵ = 101802013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101802049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14902 + ... + 20631.

It is an arithmetic number, because the mean of its divisors is an integer number (10233792).

Almost surely, 2^101802045 is an apocalyptic number.

101802045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101802045 is a deficient number, since it is larger than the sum of its proper divisors (61938627).

101802045 is a wasteful number, since it uses less digits than its factorization.

101802045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35732.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 101802045 is about 10089.6999459845. The cubic root of 101802045 is about 466.9304186476.

The spelling of 101802045 in words is "one hundred one million, eight hundred two thousand, forty-five".