201153244645 has 8 divisors (see below), whose sum is σ = 241386762240. Its totient is φ = 160920683280.

The previous prime is 201153244573. The next prime is 201153244657. The reversal of 201153244645 is 546442351102.

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

It is not a de Polignac number, because 201153244645 - 2⁷ = 201153244517 is a prime.

It is a super-3 number, since 3×201153244645³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360396 + ... + 729514.

It is an arithmetic number, because the mean of its divisors is an integer number (30173345280).

Almost surely, 2^201153244645 is an apocalyptic number.

It is an amenable number.

201153244645 is a deficient number, since it is larger than the sum of its proper divisors (40233517595).

201153244645 is a wasteful number, since it uses less digits than its factorization.

201153244645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478115.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 201153244645 its reverse (546442351102), we get a palindrome (747595595747).

The spelling of 201153244645 in words is "two hundred one billion, one hundred fifty-three million, two hundred forty-four thousand, six hundred forty-five".