3445143140 has 24 divisors (see below), whose sum is σ = 7274779512. Its totient is φ = 1370442240.

The previous prime is 3445143139. The next prime is 3445143157. The reversal of 3445143140 is 413415443.

It is a happy number.

3445143140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 359785024 + 3085358116 = 18968^2 + 55546^2 .

It is a super-2 number, since 2×3445143140² = 23738022510178119200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472229 + ... + 479468.

It is an arithmetic number, because the mean of its divisors is an integer number (303115813).

Almost surely, 2^3445143140 is an apocalyptic number.

It is an amenable number.

3445143140 is an abundant number, since it is smaller than the sum of its proper divisors (3829636372).

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

3445143140 is a wasteful number, since it uses less digits than its factorization.

3445143140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951887 (or 951885 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 3445143140 is about 58695.3417231725. The cubic root of 3445143140 is about 1510.3204062565.

Adding to 3445143140 its reverse (413415443), we get a palindrome (3858558583).

The spelling of 3445143140 in words is "three billion, four hundred forty-five million, one hundred forty-three thousand, one hundred forty".