454155142 has 8 divisors (see below), whose sum is σ = 778551696. Its totient is φ = 194637912.

The previous prime is 454155139. The next prime is 454155151. The reversal of 454155142 is 241551454.

It is a happy number.

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

It is a congruent 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, 16219813 + ... + 16219840.

It is an arithmetic number, because the mean of its divisors is an integer number (97318962).

Almost surely, 2^454155142 is an apocalyptic number.

454155142 is a deficient number, since it is larger than the sum of its proper divisors (324396554).

454155142 is a wasteful number, since it uses less digits than its factorization.

454155142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32439662.

The product of its digits is 16000, while the sum is 31.

The square root of 454155142 is about 21310.9160291152. The cubic root of 454155142 is about 768.6608206243.

The spelling of 454155142 in words is "four hundred fifty-four million, one hundred fifty-five thousand, one hundred forty-two".