101159444 has 12 divisors (see below), whose sum is σ = 177372468. Its totient is φ = 50481600.

The previous prime is 101159441. The next prime is 101159449. The reversal of 101159444 is 444951101.

It can be written as a sum of positive squares in 2 ways, for example, as 11478544 + 89680900 = 3388^2 + 9470^2 .

It is a super-2 number, since 2×101159444² = 20466466220778272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101159441) 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, 22187 + ... + 26354.

It is an arithmetic number, because the mean of its divisors is an integer number (14781039).

Almost surely, 2^101159444 is an apocalyptic number.

It is an amenable number.

101159444 is a deficient number, since it is larger than the sum of its proper divisors (76213024).

101159444 is a wasteful number, since it uses less digits than its factorization.

101159444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49066 (or 49064 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 101159444 is about 10057.8051283568. The cubic root of 101159444 is about 465.9458820783.

The spelling of 101159444 in words is "one hundred one million, one hundred fifty-nine thousand, four hundred forty-four".