101453661 has 24 divisors (see below), whose sum is σ = 152559680. Its totient is φ = 66628440.

The previous prime is 101453657. The next prime is 101453701. The reversal of 101453661 is 166354101.

It is not a de Polignac number, because 101453661 - 2² = 101453657 is a prime.

It is a super-3 number, since 3×101453661³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101453761) 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 23 ways as a sum of consecutive naturals, for example, 531076 + ... + 531266.

Almost surely, 2^101453661 is an apocalyptic number.

It is an amenable number.

101453661 is a deficient number, since it is larger than the sum of its proper divisors (51106019).

101453661 is an equidigital number, since it uses as much as digits as its factorization.

101453661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 101453661 is about 10072.4208113045. The cubic root of 101453661 is about 466.3971713265.

The spelling of 101453661 in words is "one hundred one million, four hundred fifty-three thousand, six hundred sixty-one".