201454155 has 64 divisors (see below), whose sum is σ = 423475200. Its totient is φ = 88905600.

The previous prime is 201454139. The next prime is 201454189. The reversal of 201454155 is 551454102.

201454155 is a `hidden beast` number, since 201 + 45 + 415 + 5 = 666.

It is not a de Polignac number, because 201454155 - 2⁴ = 201454139 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23730 + ... + 31080.

It is an arithmetic number, because the mean of its divisors is an integer number (6616800).

Almost surely, 2^201454155 is an apocalyptic number.

201454155 is an abundant number, since it is smaller than the sum of its proper divisors (222021045).

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

201454155 is a wasteful number, since it uses less digits than its factorization.

201454155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7401 (or 7395 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 201454155 is about 14193.4546534662. The cubic root of 201454155 is about 586.2174514384.

It can be divided in two parts, 2014 and 54155, that added together give a square (56169 = 237²).

The spelling of 201454155 in words is "two hundred one million, four hundred fifty-four thousand, one hundred fifty-five".