201134144 has 14 divisors (see below), whose sum is σ = 399125694. Its totient is φ = 100567040.

The previous prime is 201134137. The next prime is 201134147. The reversal of 201134144 is 441431102.

It can be written as a sum of positive squares in only one way, i.e., 192654400 + 8479744 = 13880^2 + 2912^2 .

It is a super-2 number, since 2×201134144² = 80909887765225472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201134147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571297 + ... + 1571424.

Almost surely, 2^201134144 is an apocalyptic number.

It is an amenable number.

201134144 is a deficient number, since it is larger than the sum of its proper divisors (197991550).

201134144 is an equidigital number, since it uses as much as digits as its factorization.

201134144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142733 (or 3142723 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 201134144 is about 14182.1769838061. The cubic root of 201134144 is about 585.9068837511.

Adding to 201134144 its reverse (441431102), we get a palindrome (642565246).

The spelling of 201134144 in words is "two hundred one million, one hundred thirty-four thousand, one hundred forty-four".