3145190724 has 81 divisors (see below), whose sum is σ = 8620941693. Its totient is φ = 966405024.

The previous prime is 3145190717. The next prime is 3145190761. The reversal of 3145190724 is 4270915413.

The square root of 3145190724 is 56082.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 465264900 + 2679925824 = 21570^2 + 51768^2 .

It is a super-3 number, since 3×3145190724³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4374037 + ... + 4374755.

Almost surely, 2^3145190724 is an apocalyptic number.

3145190724 is the 56082-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3145190724

3145190724 is an abundant number, since it is smaller than the sum of its proper divisors (5475750969).

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

3145190724 is a wasteful number, since it uses less digits than its factorization.

3145190724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The cubic root of 3145190724 is about 1465.1508072766.

Multiplying 3145190724 by its sum of digits (36), we get a square (113226866064 = 336492²).

3145190724 divided by its sum of digits (36) gives a square (87366409 = 9347²).

The spelling of 3145190724 in words is "three billion, one hundred forty-five million, one hundred ninety thousand, seven hundred twenty-four".