101099144 has 32 divisors (see below), whose sum is σ = 192931200. Its totient is φ = 49657920.

The previous prime is 101099137. The next prime is 101099147. The reversal of 101099144 is 441990101.

It is not an unprimeable number, because it can be changed into a prime (101099147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219074 + ... + 219534.

It is an arithmetic number, because the mean of its divisors is an integer number (6029100).

Almost surely, 2^101099144 is an apocalyptic number.

It is an amenable number.

101099144 is a deficient number, since it is larger than the sum of its proper divisors (91832056).

101099144 is a wasteful number, since it uses less digits than its factorization.

101099144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 101099144 is about 10054.8070095850. The cubic root of 101099144 is about 465.8532819871.

The spelling of 101099144 in words is "one hundred one million, ninety-nine thousand, one hundred forty-four".