453744142 has 4 divisors (see below), whose sum is σ = 680616216. Its totient is φ = 226872070.

The previous prime is 453744139. The next prime is 453744143. The reversal of 453744142 is 241447354.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 453744098 and 453744107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453744143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113436034 + ... + 113436037.

It is an arithmetic number, because the mean of its divisors is an integer number (170154054).

Almost surely, 2^453744142 is an apocalyptic number.

453744142 is a deficient number, since it is larger than the sum of its proper divisors (226872074).

453744142 is a wasteful number, since it uses less digits than its factorization.

453744142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226872073.

The product of its digits is 53760, while the sum is 34.

The square root of 453744142 is about 21301.2709010519. The cubic root of 453744142 is about 768.4288771642.

The spelling of 453744142 in words is "four hundred fifty-three million, seven hundred forty-four thousand, one hundred forty-two".