3145037644 has 24 divisors (see below), whose sum is σ = 6294290688. Its totient is φ = 1346970000.

The previous prime is 3145037639. The next prime is 3145037647. The reversal of 3145037644 is 4467305413.

It is not an unprimeable number, because it can be changed into a prime (3145037647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5769 + ... + 79519.

It is an arithmetic number, because the mean of its divisors is an integer number (262262112).

Almost surely, 2^3145037644 is an apocalyptic number.

It is an amenable number.

3145037644 is an abundant number, since it is smaller than the sum of its proper divisors (3149253044).

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

3145037644 is a wasteful number, since it uses less digits than its factorization.

3145037644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75285 (or 75283 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 3145037644 is about 56080.6351961174. The cubic root of 3145037644 is about 1465.1270367071.

Subtracting 3145037644 from its reverse (4467305413), we obtain a square (1322267769 = 36363²).

The spelling of 3145037644 in words is "three billion, one hundred forty-five million, thirty-seven thousand, six hundred forty-four".