101155453 has 12 divisors (see below), whose sum is σ = 118718460. Its totient is φ = 85932672.

The previous prime is 101155433. The next prime is 101155459. The reversal of 101155453 is 354551101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29888089 + 71267364 = 5467^2 + 8442^2 .

It is not a de Polignac number, because 101155453 - 2⁹ = 101154941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101155459) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3598 + ... + 14671.

It is an arithmetic number, because the mean of its divisors is an integer number (9893205).

Almost surely, 2^101155453 is an apocalyptic number.

It is an amenable number.

101155453 is a deficient number, since it is larger than the sum of its proper divisors (17563007).

101155453 is a wasteful number, since it uses less digits than its factorization.

101155453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18396 (or 18389 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 101155453 is about 10057.6067232717. The cubic root of 101155453 is about 465.9397544102.

The spelling of 101155453 in words is "one hundred one million, one hundred fifty-five thousand, four hundred fifty-three".