101045521 has 8 divisors (see below), whose sum is σ = 101916864. Its totient is φ = 100177680.

The previous prime is 101045513. The next prime is 101045533. The reversal of 101045521 is 125540101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101045521 - 2³ = 101045513 is a prime.

It is a super-2 number, since 2×101045521² = 20420394628322882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101045561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106911 + ... + 107851.

It is an arithmetic number, because the mean of its divisors is an integer number (12739608).

Almost surely, 2^101045521 is an apocalyptic number.

It is an amenable number.

101045521 is a deficient number, since it is larger than the sum of its proper divisors (871343).

101045521 is an equidigital number, since it uses as much as digits as its factorization.

101045521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 101045521 is about 10052.1401203923. The cubic root of 101045521 is about 465.7709045392.

Adding to 101045521 its reverse (125540101), we get a palindrome (226585622).

It can be divided in two parts, 10104 and 5521, that added together give a 6-th power (15625 = 5⁶).

The spelling of 101045521 in words is "one hundred one million, forty-five thousand, five hundred twenty-one".