1674556145 has 16 divisors (see below), whose sum is σ = 2030054400. Its totient is φ = 1325991744.

The previous prime is 1674556097. The next prime is 1674556159. The reversal of 1674556145 is 5416554761.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1674556145 - 2⁸ = 1674555889 is a prime.

It is a super-2 number, since 2×1674556145² = 5608276565514522050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1674556096 and 1674556105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191744 + ... + 200286.

It is an arithmetic number, because the mean of its divisors is an integer number (126878400).

Almost surely, 2^1674556145 is an apocalyptic number.

It is an amenable number.

1674556145 is a deficient number, since it is larger than the sum of its proper divisors (355498255).

1674556145 is a wasteful number, since it uses less digits than its factorization.

1674556145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8944.

The product of its digits is 504000, while the sum is 44.

The square root of 1674556145 is about 40921.3409482143. The cubic root of 1674556145 is about 1187.4989594820.

The spelling of 1674556145 in words is "one billion, six hundred seventy-four million, five hundred fifty-six thousand, one hundred forty-five".