453540396545 has 8 divisors (see below), whose sum is σ = 544380184296. Its totient is φ = 362744511616.

The previous prime is 453540396473. The next prime is 453540396559. The reversal of 453540396545 is 545693045354.

It can be written as a sum of positive squares in 4 ways, for example, as 6482343169 + 447058053376 = 80513^2 + 668624^2 .

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 453540396545 - 2¹⁶ = 453540331009 is a prime.

It is a Duffinian 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, 10952972 + ... + 10994301.

It is an arithmetic number, because the mean of its divisors is an integer number (68047523037).

Almost surely, 2^453540396545 is an apocalyptic number.

It is an amenable number.

453540396545 is a deficient number, since it is larger than the sum of its proper divisors (90839787751).

453540396545 is a wasteful number, since it uses less digits than its factorization.

453540396545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21951411.

The product of its (nonzero) digits is 19440000, while the sum is 53.

The spelling of 453540396545 in words is "four hundred fifty-three billion, five hundred forty million, three hundred ninety-six thousand, five hundred forty-five".