3620156445 has 12 divisors (see below), whose sum is σ = 6274937916. Its totient is φ = 1930750080.

The previous prime is 3620156417. The next prime is 3620156483. The reversal of 3620156445 is 5446510263.

3620156445 is a `hidden beast` number, since 3 + 6 + 2 + 0 + 1 + 5 + 644 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 864536409 + 2755620036 = 29403^2 + 52494^2 .

It is not a de Polignac number, because 3620156445 - 2¹⁰ = 3620155421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40223916 + ... + 40224005.

It is an arithmetic number, because the mean of its divisors is an integer number (522911493).

Almost surely, 2^3620156445 is an apocalyptic number.

It is an amenable number.

3620156445 is a deficient number, since it is larger than the sum of its proper divisors (2654781471).

3620156445 is a wasteful number, since it uses less digits than its factorization.

3620156445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80447932 (or 80447929 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 3620156445 is about 60167.7359138600. The cubic root of 3620156445 is about 1535.4739269495.

The spelling of 3620156445 in words is "three billion, six hundred twenty million, one hundred fifty-six thousand, four hundred forty-five".