101225445 has 32 divisors (see below), whose sum is σ = 171609600. Its totient is φ = 50808384.

The previous prime is 101225437. The next prime is 101225459. The reversal of 101225445 is 544522101.

It is not a de Polignac number, because 101225445 - 2³ = 101225437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45366 + ... + 47544.

It is an arithmetic number, because the mean of its divisors is an integer number (5362800).

Almost surely, 2^101225445 is an apocalyptic number.

101225445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101225445 is a deficient number, since it is larger than the sum of its proper divisors (70384155).

101225445 is a wasteful number, since it uses less digits than its factorization.

101225445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 101225445 is about 10061.0856770033. The cubic root of 101225445 is about 466.0471947756.

Adding to 101225445 its reverse (544522101), we get a palindrome (645747546).

The spelling of 101225445 in words is "one hundred one million, two hundred twenty-five thousand, four hundred forty-five".