101155045 has 16 divisors (see below), whose sum is σ = 128252160. Its totient is φ = 76465984.

The previous prime is 101155039. The next prime is 101155129. The reversal of 101155045 is 540551101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101155045 - 2³ = 101155037 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 607 + ... + 14236.

It is an arithmetic number, because the mean of its divisors is an integer number (8015760).

Almost surely, 2^101155045 is an apocalyptic number.

It is an amenable number.

101155045 is a deficient number, since it is larger than the sum of its proper divisors (27097115).

101155045 is a wasteful number, since it uses less digits than its factorization.

101155045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14924.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 101155045 is about 10057.5864400959. The cubic root of 101155045 is about 465.9391279696.

The spelling of 101155045 in words is "one hundred one million, one hundred fifty-five thousand, forty-five".