1612541845 has 32 divisors (see below), whose sum is σ = 2054916864. Its totient is φ = 1212288000.

The previous prime is 1612541789. The next prime is 1612541857. The reversal of 1612541845 is 5481452161.

It is not a de Polignac number, because 1612541845 - 2⁷ = 1612541717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2299995 + ... + 2300695.

It is an arithmetic number, because the mean of its divisors is an integer number (64216152).

Almost surely, 2^1612541845 is an apocalyptic number.

It is an amenable number.

1612541845 is a deficient number, since it is larger than the sum of its proper divisors (442375019).

1612541845 is a wasteful number, since it uses less digits than its factorization.

1612541845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053.

The product of its digits is 38400, while the sum is 37.

The square root of 1612541845 is about 40156.4670383240. The cubic root of 1612541845 is about 1172.6551928819.

It can be divided in two parts, 16125 and 41845, that added together give a triangular number (57970 = T₃₄₀).

The spelling of 1612541845 in words is "one billion, six hundred twelve million, five hundred forty-one thousand, eight hundred forty-five".