201654542 has 8 divisors (see below), whose sum is σ = 303815016. Its totient is φ = 100382872.

The previous prime is 201654521. The next prime is 201654601. The reversal of 201654542 is 245456102.

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

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, 221633 + ... + 222540.

It is an arithmetic number, because the mean of its divisors is an integer number (37976877).

Almost surely, 2^201654542 is an apocalyptic number.

201654542 is a deficient number, since it is larger than the sum of its proper divisors (102160474).

201654542 is a wasteful number, since it uses less digits than its factorization.

201654542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444402.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 201654542 is about 14200.5120330219. The cubic root of 201654542 is about 586.4117577288.

The spelling of 201654542 in words is "two hundred one million, six hundred fifty-four thousand, five hundred forty-two".