450142554 has 8 divisors (see below), whose sum is σ = 900285120. Its totient is φ = 150047516.

The previous prime is 450142523. The next prime is 450142571. The reversal of 450142554 is 455241054.

It is a sphenic number, since it is the product of 3 distinct primes.

450142554 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37511874 + ... + 37511885.

It is an arithmetic number, because the mean of its divisors is an integer number (112535640).

Almost surely, 2^450142554 is an apocalyptic number.

450142554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

450142554 is a wasteful number, since it uses less digits than its factorization.

450142554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75023764.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 450142554 is about 21216.5631995382. The cubic root of 450142554 is about 766.3903427206.

The spelling of 450142554 in words is "four hundred fifty million, one hundred forty-two thousand, five hundred fifty-four".