101344155 has 24 divisors (see below), whose sum is σ = 178234896. Its totient is φ = 49135680.

The previous prime is 101344153. The next prime is 101344171. The reversal of 101344155 is 551443101.

It is a happy number.

It is not a de Polignac number, because 101344155 - 2¹ = 101344153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101344153) 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, 26104 + ... + 29733.

It is an arithmetic number, because the mean of its divisors is an integer number (7426454).

Almost surely, 2^101344155 is an apocalyptic number.

101344155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101344155 is a deficient number, since it is larger than the sum of its proper divisors (76890741).

101344155 is a wasteful number, since it uses less digits than its factorization.

101344155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55867 (or 55856 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 101344155 is about 10066.9834111317. The cubic root of 101344155 is about 466.2293059358.

Adding to 101344155 its reverse (551443101), we get a palindrome (652787256).

The spelling of 101344155 in words is "one hundred one million, three hundred forty-four thousand, one hundred fifty-five".