101945444 has 12 divisors (see below), whose sum is σ = 182200704. Its totient is φ = 49888104.

The previous prime is 101945443. The next prime is 101945479. The reversal of 101945444 is 444549101.

It is a self number, because there is not a number n which added to its sum of digits gives 101945444.

It is not an unprimeable number, because it can be changed into a prime (101945443) 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, 270944 + ... + 271319.

It is an arithmetic number, because the mean of its divisors is an integer number (15183392).

Almost surely, 2^101945444 is an apocalyptic number.

It is an amenable number.

101945444 is a deficient number, since it is larger than the sum of its proper divisors (80255260).

101945444 is a wasteful number, since it uses less digits than its factorization.

101945444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542314 (or 542312 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 101945444 is about 10096.8036526418. The cubic root of 101945444 is about 467.1495561604.

The spelling of 101945444 in words is "one hundred one million, nine hundred forty-five thousand, four hundred forty-four".