201153144 has 32 divisors (see below), whose sum is σ = 503809920. Its totient is φ = 66927456.

The previous prime is 201153143. The next prime is 201153149. The reversal of 201153144 is 441351102.

It is a self number, because there is not a number n which added to its sum of digits gives 201153144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201153143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6069 + ... + 20955.

It is an arithmetic number, because the mean of its divisors is an integer number (15744060).

Almost surely, 2^201153144 is an apocalyptic number.

201153144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201153144 is an abundant number, since it is smaller than the sum of its proper divisors (302656776).

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

201153144 is a wasteful number, since it uses less digits than its factorization.

201153144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15459 (or 15455 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 201153144 is about 14182.8468228350. The cubic root of 201153144 is about 585.9253322686.

It can be divided in two parts, 2011 and 53144, that added together give a palindrome (55155).

The spelling of 201153144 in words is "two hundred one million, one hundred fifty-three thousand, one hundred forty-four".