3145142644 has 12 divisors (see below), whose sum is σ = 6290285344. Its totient is φ = 1347918264.

The previous prime is 3145142639. The next prime is 3145142653. The reversal of 3145142644 is 4462415413.

3145142644 is an admirable number.

It is a super-3 number, since 3×3145142644³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56163234 + ... + 56163289.

Almost surely, 2^3145142644 is an apocalyptic number.

It is an amenable number.

3145142644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3145142644 is a wasteful number, since it uses less digits than its factorization.

3145142644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112326534 (or 112326532 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 3145142644 is about 56081.5713403253. The cubic root of 3145142644 is about 1465.1433414008.

The spelling of 3145142644 in words is "three billion, one hundred forty-five million, one hundred forty-two thousand, six hundred forty-four".