201453 has 16 divisors (see below), whose sum is σ = 314496. Its totient is φ = 112320.

The previous prime is 201451. The next prime is 201473. The reversal of 201453 is 354102.

It is not a de Polignac number, because 201453 - 2¹ = 201451 is a prime.

It is a super-2 number, since 2×201453² = 81166622418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023 + ... + 1203.

It is an arithmetic number, because the mean of its divisors is an integer number (19656).

2²⁰¹⁴⁵³ is an apocalyptic number.

It is an amenable number.

201453 is a deficient number, since it is larger than the sum of its proper divisors (113043).

201453 is a wasteful number, since it uses less digits than its factorization.

201453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 201453 is about 448.8351590506. The cubic root of 201453 is about 58.6216331113.

Adding to 201453 its reverse (354102), we get a palindrome (555555).

The spelling of 201453 in words is "two hundred one thousand, four hundred fifty-three".