201054142 has 4 divisors (see below), whose sum is σ = 301581216. Its totient is φ = 100527070.

The previous prime is 201054107. The next prime is 201054149. The reversal of 201054142 is 241450102.

201054142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241450102 = 2 ⋅120725051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201054149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50263534 + ... + 50263537.

It is an arithmetic number, because the mean of its divisors is an integer number (75395304).

Almost surely, 2^201054142 is an apocalyptic number.

201054142 is a deficient number, since it is larger than the sum of its proper divisors (100527074).

201054142 is a wasteful number, since it uses less digits than its factorization.

201054142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100527073.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 201054142 is about 14179.3561913085. The cubic root of 201054142 is about 585.8291910934.

The spelling of 201054142 in words is "two hundred one million, fifty-four thousand, one hundred forty-two".