378516142 has 32 divisors (see below), whose sum is σ = 600530112. Its totient is φ = 178723584.

The previous prime is 378516137. The next prime is 378516181. The reversal of 378516142 is 241615873.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403498 + ... + 404434.

It is an arithmetic number, because the mean of its divisors is an integer number (18766566).

Almost surely, 2^378516142 is an apocalyptic number.

378516142 is a deficient number, since it is larger than the sum of its proper divisors (222013970).

378516142 is a wasteful number, since it uses less digits than its factorization.

378516142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132.

The product of its digits is 40320, while the sum is 37.

The square root of 378516142 is about 19455.4913070835. The cubic root of 378516142 is about 723.3716236653.

The spelling of 378516142 in words is "three hundred seventy-eight million, five hundred sixteen thousand, one hundred forty-two".