101055045 has 64 divisors (see below), whose sum is σ = 201245184. Its totient is φ = 42163200.

The previous prime is 101055011. The next prime is 101055049. The reversal of 101055045 is 540550101.

It is not a de Polignac number, because 101055045 - 2⁶ = 101054981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101055049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 137499 + ... + 138231.

It is an arithmetic number, because the mean of its divisors is an integer number (3144456).

Almost surely, 2^101055045 is an apocalyptic number.

101055045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101055045 is a deficient number, since it is larger than the sum of its proper divisors (100190139).

101055045 is a wasteful number, since it uses less digits than its factorization.

101055045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 101055045 is about 10052.6138391963. The cubic root of 101055045 is about 465.7855377550.

The spelling of 101055045 in words is "one hundred one million, fifty-five thousand, forty-five".