101205445 has 16 divisors (see below), whose sum is σ = 135571392. Its totient is φ = 71890560.

The previous prime is 101205439. The next prime is 101205449. The reversal of 101205445 is 544502101.

It is not a de Polignac number, because 101205445 - 2⁵ = 101205413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101205449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19032 + ... + 23761.

It is an arithmetic number, because the mean of its divisors is an integer number (8473212).

Almost surely, 2^101205445 is an apocalyptic number.

It is an amenable number.

101205445 is a deficient number, since it is larger than the sum of its proper divisors (34365947).

101205445 is a wasteful number, since it uses less digits than its factorization.

101205445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42852.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 101205445 is about 10060.0916993833. The cubic root of 101205445 is about 466.0164990751.

Adding to 101205445 its reverse (544502101), we get a palindrome (645707546).

The spelling of 101205445 in words is "one hundred one million, two hundred five thousand, four hundred forty-five".