201453532450 has 12 divisors (see below), whose sum is σ = 374703570450. Its totient is φ = 80581412960.

The previous prime is 201453532429. The next prime is 201453532499. The reversal of 201453532450 is 54235354102.

It can be written as a sum of positive squares in 3 ways, for example, as 86302575529 + 115150956921 = 293773^2 + 339339^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2014535275 + ... + 2014535374.

Almost surely, 2^201453532450 is an apocalyptic number.

201453532450 is a deficient number, since it is larger than the sum of its proper divisors (173250038000).

201453532450 is a wasteful number, since it uses less digits than its factorization.

201453532450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029070661 (or 4029070656 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 201453532450 its reverse (54235354102), we get a palindrome (255688886552).

The spelling of 201453532450 in words is "two hundred one billion, four hundred fifty-three million, five hundred thirty-two thousand, four hundred fifty".