1478732142 has 32 divisors (see below), whose sum is σ = 3023193600. Its totient is φ = 481975488.

The previous prime is 1478732141. The next prime is 1478732149. The reversal of 1478732142 is 2412378741.

It is a self number, because there is not a number n which added to its sum of digits gives 1478732142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478732141) 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, 452109 + ... + 455367.

It is an arithmetic number, because the mean of its divisors is an integer number (94474800).

Almost surely, 2^1478732142 is an apocalyptic number.

1478732142 is an abundant number, since it is smaller than the sum of its proper divisors (1544461458).

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

1478732142 is a wasteful number, since it uses less digits than its factorization.

1478732142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920.

The product of its digits is 75264, while the sum is 39.

The square root of 1478732142 is about 38454.2863930668. The cubic root of 1478732142 is about 1139.2783321084.

The spelling of 1478732142 in words is "one billion, four hundred seventy-eight million, seven hundred thirty-two thousand, one hundred forty-two".