450661542 has 16 divisors (see below), whose sum is σ = 904402800. Its totient is φ = 149707232.

The previous prime is 450661499. The next prime is 450661559. The reversal of 450661542 is 245166054.

It is a congruent 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, 126417 + ... + 129932.

It is an arithmetic number, because the mean of its divisors is an integer number (56525175).

Almost surely, 2^450661542 is an apocalyptic number.

450661542 is an abundant number, since it is smaller than the sum of its proper divisors (453741258).

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

450661542 is a wasteful number, since it uses less digits than its factorization.

450661542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256647.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 450661542 is about 21228.7904036005. The cubic root of 450661542 is about 766.6847639920.

The spelling of 450661542 in words is "four hundred fifty million, six hundred sixty-one thousand, five hundred forty-two".