101440525 has 36 divisors (see below), whose sum is σ = 138344320. Its totient is φ = 73504800.

The previous prime is 101440489. The next prime is 101440543. The reversal of 101440525 is 525044101.

It is not a de Polignac number, because 101440525 - 2⁹ = 101440013 is a prime.

It is a super-2 number, since 2×101440525² = 20580360224551250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101440496 and 101440505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1222134 + ... + 1222216.

Almost surely, 2^101440525 is an apocalyptic number.

It is an amenable number.

101440525 is a deficient number, since it is larger than the sum of its proper divisors (36903795).

101440525 is an equidigital number, since it uses as much as digits as its factorization.

101440525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 138 counting only the distinct ones).

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

The square root of 101440525 is about 10071.7687125946. The cubic root of 101440525 is about 466.3770410929.

Adding to 101440525 its reverse (525044101), we get a palindrome (626484626).

The spelling of 101440525 in words is "one hundred one million, four hundred forty thousand, five hundred twenty-five".