1455005142 has 48 divisors (see below), whose sum is σ = 3326469120. Its totient is φ = 458362800.

The previous prime is 1455005087. The next prime is 1455005213. The reversal of 1455005142 is 2415005541.

1455005142 is a `hidden beast` number, since 14 + 5 + 500 + 5 + 142 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142467 + ... + 152337.

It is an arithmetic number, because the mean of its divisors is an integer number (69301440).

Almost surely, 2^1455005142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1455005142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663234560).

1455005142 is an abundant number, since it is smaller than the sum of its proper divisors (1871463978).

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

1455005142 is a wasteful number, since it uses less digits than its factorization.

1455005142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10329 (or 10326 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1455005142 is about 38144.5296471198. The cubic root of 1455005142 is about 1133.1520166875.

The spelling of 1455005142 in words is "one billion, four hundred fifty-five million, five thousand, one hundred forty-two".