3723161445 has 24 divisors (see below), whose sum is σ = 6627901176. Its totient is φ = 1932018048.

The previous prime is 3723161423. The next prime is 3723161467. The reversal of 3723161445 is 5441613273.

3723161445 is a `hidden beast` number, since 3 + 7 + 2 + 31 + 614 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (3723161423) and next prime (3723161467).

It can be written as a sum of positive squares in 4 ways, for example, as 2050187841 + 1672973604 = 45279^2 + 40902^2 .

It is not a de Polignac number, because 3723161445 - 2⁹ = 3723160933 is a prime.

It is a super-2 number, since 2×3723161445² = 27723862291068976050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1116402 + ... + 1119731.

It is an arithmetic number, because the mean of its divisors is an integer number (276162549).

Almost surely, 2^3723161445 is an apocalyptic number.

It is an amenable number.

3723161445 is a deficient number, since it is larger than the sum of its proper divisors (2904739731).

3723161445 is a wasteful number, since it uses less digits than its factorization.

3723161445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236181 (or 2236178 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 3723161445 is about 61017.7141902251. The cubic root of 3723161445 is about 1549.9009919416.

The spelling of 3723161445 in words is "three billion, seven hundred twenty-three million, one hundred sixty-one thousand, four hundred forty-five".