101455 has 8 divisors (see below), whose sum is σ = 123552. Its totient is φ = 79968.

The previous prime is 101449. The next prime is 101467. The reversal of 101455 is 554101.

It is a happy number.

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 101455 - 2⁹ = 100943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417 + ... + 613.

It is an arithmetic number, because the mean of its divisors is an integer number (15444).

2¹⁰¹⁴⁵⁵ is an apocalyptic number.

101455 is a deficient number, since it is larger than the sum of its proper divisors (22097).

101455 is a wasteful number, since it uses less digits than its factorization.

101455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 101455 is about 318.5200150697. The cubic root of 101455 is about 46.6399223176.

Adding to 101455 its reverse (554101), we get a palindrome (655556).

The spelling of 101455 in words is "one hundred one thousand, four hundred fifty-five".