1447628142 has 32 divisors (see below), whose sum is σ = 3118602240. Its totient is φ = 446672160.

The previous prime is 1447628141. The next prime is 1447628191. The reversal of 1447628142 is 2418267441.

It is a self number, because there is not a number n which added to its sum of digits gives 1447628142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447628141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164917 + ... + 173472.

It is an arithmetic number, because the mean of its divisors is an integer number (97456320).

Almost surely, 2^1447628142 is an apocalyptic number.

1447628142 is an abundant number, since it is smaller than the sum of its proper divisors (1670974098).

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

1447628142 is a wasteful number, since it uses less digits than its factorization.

1447628142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338448.

The product of its digits is 86016, while the sum is 39.

The square root of 1447628142 is about 38047.7087615010. The cubic root of 1447628142 is about 1131.2337119558.

The spelling of 1447628142 in words is "one billion, four hundred forty-seven million, six hundred twenty-eight thousand, one hundred forty-two".