201452154 has 16 divisors (see below), whose sum is σ = 416797920. Its totient is φ = 64835120.

The previous prime is 201452143. The next prime is 201452171. The reversal of 201452154 is 451254102.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 578712 + ... + 579059.

It is an arithmetic number, because the mean of its divisors is an integer number (26049870).

Almost surely, 2^201452154 is an apocalyptic number.

201452154 is an abundant number, since it is smaller than the sum of its proper divisors (215345766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201452154 is a wasteful number, since it uses less digits than its factorization.

201452154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157805.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 201452154 is about 14193.3841630529. The cubic root of 201452154 is about 586.2155105088.

The spelling of 201452154 in words is "two hundred one million, four hundred fifty-two thousand, one hundred fifty-four".