201554142 has 32 divisors (see below), whose sum is σ = 435912192. Its totient is φ = 61885824.

The previous prime is 201554063. The next prime is 201554153. The reversal of 201554142 is 241455102.

201554142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16228 + ... + 25815.

It is an arithmetic number, because the mean of its divisors is an integer number (13622256).

Almost surely, 2^201554142 is an apocalyptic number.

201554142 is an abundant number, since it is smaller than the sum of its proper divisors (234358050).

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

201554142 is a wasteful number, since it uses less digits than its factorization.

201554142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42112.

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

The square root of 201554142 is about 14196.9765091022. The cubic root of 201554142 is about 586.3144204482.

The spelling of 201554142 in words is "two hundred one million, five hundred fifty-four thousand, one hundred forty-two".