3451561156 has 6 divisors (see below), whose sum is σ = 6040232030. Its totient is φ = 1725780576.

The previous prime is 3451561151. The next prime is 3451561181. The reversal of 3451561156 is 6511651543.

3451561156 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 only one way, i.e., 2417295556 + 1034265600 = 49166^2 + 32160^2 .

It is not an unprimeable number, because it can be changed into a prime (3451561151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431445141 + ... + 431445148.

Almost surely, 2^3451561156 is an apocalyptic number.

It is an amenable number.

3451561156 is a deficient number, since it is larger than the sum of its proper divisors (2588670874).

3451561156 is a wasteful number, since it uses less digits than its factorization.

3451561156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862890293 (or 862890291 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 3451561156 is about 58749.9885617010. The cubic root of 3451561156 is about 1511.2576916961.

The spelling of 3451561156 in words is "three billion, four hundred fifty-one million, five hundred sixty-one thousand, one hundred fifty-six".