451456142 has 16 divisors (see below), whose sum is σ = 682149600. Its totient is φ = 224079360.

The previous prime is 451456073. The next prime is 451456147. The reversal of 451456142 is 241654154.

It is a junction number, because it is equal to n+sod(n) for n = 451456099 and 451456108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451456147) 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, 171734 + ... + 174342.

It is an arithmetic number, because the mean of its divisors is an integer number (42634350).

Almost surely, 2^451456142 is an apocalyptic number.

451456142 is a deficient number, since it is larger than the sum of its proper divisors (230693458).

451456142 is a wasteful number, since it uses less digits than its factorization.

451456142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211.

The product of its digits is 19200, while the sum is 32.

The square root of 451456142 is about 21247.4973114482. The cubic root of 451456142 is about 767.1351019643.

The spelling of 451456142 in words is "four hundred fifty-one million, four hundred fifty-six thousand, one hundred forty-two".