451738542 has 16 divisors (see below), whose sum is σ = 905840640. Its totient is φ = 150185592.

The previous prime is 451738523. The next prime is 451738543. The reversal of 451738542 is 245837154.

It is a self number, because there is not a number n which added to its sum of digits gives 451738542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451738543) 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, 95992 + ... + 100587.

It is an arithmetic number, because the mean of its divisors is an integer number (56615040).

Almost surely, 2^451738542 is an apocalyptic number.

451738542 is an abundant number, since it is smaller than the sum of its proper divisors (454102098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451738542 is a wasteful number, since it uses less digits than its factorization.

451738542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196967.

The product of its digits is 134400, while the sum is 39.

The square root of 451738542 is about 21254.1417610780. The cubic root of 451738542 is about 767.2950243258.

The spelling of 451738542 in words is "four hundred fifty-one million, seven hundred thirty-eight thousand, five hundred forty-two".