101924145 has 24 divisors (see below), whose sum is σ = 176904000. Its totient is φ = 54287136.

The previous prime is 101924143. The next prime is 101924149. The reversal of 101924145 is 541429101.

It is not a de Polignac number, because 101924145 - 2¹ = 101924143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101924143) 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 23 ways as a sum of consecutive naturals, for example, 62146 + ... + 63764.

It is an arithmetic number, because the mean of its divisors is an integer number (7371000).

Almost surely, 2^101924145 is an apocalyptic number.

101924145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101924145 is a deficient number, since it is larger than the sum of its proper divisors (74979855).

101924145 is a wasteful number, since it uses less digits than its factorization.

101924145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029 (or 3026 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 101924145 is about 10095.7488578114. The cubic root of 101924145 is about 467.1170207473.

The spelling of 101924145 in words is "one hundred one million, nine hundred twenty-four thousand, one hundred forty-five".