3145897700 has 72 divisors (see below), whose sum is σ = 7573577760. Its totient is φ = 1124550400.

The previous prime is 3145897687. The next prime is 3145897771. The reversal of 3145897700 is 77985413.

3145897700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 40664 + ... + 89136.

It is an arithmetic number, because the mean of its divisors is an integer number (105188580).

Almost surely, 2^3145897700 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 3145897700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3786788880).

3145897700 is an abundant number, since it is smaller than the sum of its proper divisors (4427680060).

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

3145897700 is a wasteful number, since it uses less digits than its factorization.

3145897700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48557 (or 48550 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 3145897700 is about 56088.3027020786. The cubic root of 3145897700 is about 1465.2605779230.

The spelling of 3145897700 in words is "three billion, one hundred forty-five million, eight hundred ninety-seven thousand, seven hundred".