101144145 has 16 divisors (see below), whose sum is σ = 162115200. Its totient is φ = 53848704.

The previous prime is 101144143. The next prime is 101144167. The reversal of 101144145 is 541441101.

It is not a de Polignac number, because 101144145 - 2¹ = 101144143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101144143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3357 + ... + 14613.

It is an arithmetic number, because the mean of its divisors is an integer number (10132200).

Almost surely, 2^101144145 is an apocalyptic number.

101144145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101144145 is a deficient number, since it is larger than the sum of its proper divisors (60971055).

101144145 is a wasteful number, since it uses less digits than its factorization.

101144145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11864.

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

The square root of 101144145 is about 10057.0445459886. The cubic root of 101144145 is about 465.9223915529.

Adding to 101144145 its reverse (541441101), we get a palindrome (642585246).

The spelling of 101144145 in words is "one hundred one million, one hundred forty-four thousand, one hundred forty-five".