378145679156 has 48 divisors (see below), whose sum is σ = 774717038592. Its totient is φ = 158134917600.

The previous prime is 378145679147. The next prime is 378145679221. The reversal of 378145679156 is 651976541873.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1541 + ... + 869651.

It is an arithmetic number, because the mean of its divisors is an integer number (16139938304).

Almost surely, 2^378145679156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378145679156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387358519296).

378145679156 is an abundant number, since it is smaller than the sum of its proper divisors (396571359436).

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

378145679156 is a wasteful number, since it uses less digits than its factorization.

378145679156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868500 (or 868498 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 62.

The spelling of 378145679156 in words is "three hundred seventy-eight billion, one hundred forty-five million, six hundred seventy-nine thousand, one hundred fifty-six".