201150545 has 8 divisors (see below), whose sum is σ = 255579624. Its totient is φ = 151454464.

The previous prime is 201150541. The next prime is 201150557. The reversal of 201150545 is 545051102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3129361 + 198021184 = 1769^2 + 14072^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 201150545 - 2² = 201150541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201150545.

It is not an unprimeable number, because it can be changed into a prime (201150541) 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, 1183154 + ... + 1183323.

It is an arithmetic number, because the mean of its divisors is an integer number (31947453).

Almost surely, 2^201150545 is an apocalyptic number.

It is an amenable number.

201150545 is a deficient number, since it is larger than the sum of its proper divisors (54429079).

201150545 is a wasteful number, since it uses less digits than its factorization.

201150545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366499.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 201150545 is about 14182.7551977745. The cubic root of 201150545 is about 585.9228087742.

The spelling of 201150545 in words is "two hundred one million, one hundred fifty thousand, five hundred forty-five".