101407445 has 4 divisors (see below), whose sum is σ = 121688940. Its totient is φ = 81125952.

The previous prime is 101407441. The next prime is 101407451. The reversal of 101407445 is 544704101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31618129 + 69789316 = 5623^2 + 8354^2 .

It is a cyclic number.

It is not a de Polignac number, because 101407445 - 2² = 101407441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101407441) 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, 10140740 + ... + 10140749.

It is an arithmetic number, because the mean of its divisors is an integer number (30422235).

Almost surely, 2^101407445 is an apocalyptic number.

It is an amenable number.

101407445 is a deficient number, since it is larger than the sum of its proper divisors (20281495).

101407445 is an equidigital number, since it uses as much as digits as its factorization.

101407445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20281494.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 101407445 is about 10070.1263646491. The cubic root of 101407445 is about 466.3263400218.

The spelling of 101407445 in words is "one hundred one million, four hundred seven thousand, four hundred forty-five".