201315454 has 8 divisors (see below), whose sum is σ = 303122160. Its totient is φ = 100274736.

The previous prime is 201315437. The next prime is 201315467. The reversal of 201315454 is 454513102.

It is a happy number.

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

It is a super-2 number, since 2×201315454² = 81055824038452232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190839 + ... + 191890.

It is an arithmetic number, because the mean of its divisors is an integer number (37890270).

Almost surely, 2^201315454 is an apocalyptic number.

201315454 is a deficient number, since it is larger than the sum of its proper divisors (101806706).

201315454 is a wasteful number, since it uses less digits than its factorization.

201315454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382994.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 201315454 is about 14188.5677219373. The cubic root of 201315454 is about 586.0828838255.

Adding to 201315454 its reverse (454513102), we get a palindrome (655828556).

The spelling of 201315454 in words is "two hundred one million, three hundred fifteen thousand, four hundred fifty-four".