101132144 has 20 divisors (see below), whose sum is σ = 199157640. Its totient is φ = 49736640.

The previous prime is 101132113. The next prime is 101132147. The reversal of 101132144 is 441231101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101132147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50834 + ... + 52785.

It is an arithmetic number, because the mean of its divisors is an integer number (9957882).

Almost surely, 2^101132144 is an apocalyptic number.

It is an amenable number.

101132144 is a deficient number, since it is larger than the sum of its proper divisors (98025496).

101132144 is a wasteful number, since it uses less digits than its factorization.

101132144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103688 (or 103682 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 101132144 is about 10056.4478818318. The cubic root of 101132144 is about 465.9039632139.

Adding to 101132144 its reverse (441231101), we get a palindrome (542363245).

The spelling of 101132144 in words is "one hundred one million, one hundred thirty-two thousand, one hundred forty-four".