453142477 has 4 divisors (see below), whose sum is σ = 456710656. Its totient is φ = 449574300.

The previous prime is 453142447. The next prime is 453142489. The reversal of 453142477 is 774241354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 453142477 - 2¹⁹ = 452618189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453142447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1783899 + ... + 1784152.

It is an arithmetic number, because the mean of its divisors is an integer number (114177664).

Almost surely, 2^453142477 is an apocalyptic number.

It is an amenable number.

453142477 is a deficient number, since it is larger than the sum of its proper divisors (3568179).

453142477 is a wasteful number, since it uses less digits than its factorization.

453142477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568178.

The product of its digits is 94080, while the sum is 37.

The square root of 453142477 is about 21287.1434673608. The cubic root of 453142477 is about 768.0890812152.

The spelling of 453142477 in words is "four hundred fifty-three million, one hundred forty-two thousand, four hundred seventy-seven".