3145215400000 has 168 divisors, whose sum is σ = 7849050128640. Its totient is φ = 1250354880000.

The previous prime is 3145215399961. The next prime is 3145215400031. The reversal of 3145215400000 is 45125413.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32551761 + ... + 32648239.

It is an arithmetic number, because the mean of its divisors is an integer number (46720536480).

Almost surely, 2^{3145215400000} 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 3145215400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3924525064320).

3145215400000 is an abundant number, since it is smaller than the sum of its proper divisors (4703834728640).

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

3145215400000 is an frugal number, since it uses more digits than its factorization.

3145215400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96679 (or 96649 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 3145215400000 in words is "three trillion, one hundred forty-five billion, two hundred fifteen million, four hundred thousand".