674045145 has 40 divisors (see below), whose sum is σ = 1210271040. Its totient is φ = 358901280.

The previous prime is 674045101. The next prime is 674045161. The reversal of 674045145 is 541540476.

It is not a de Polignac number, because 674045145 - 2¹⁰ = 674044121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 371290 + ... + 373100.

It is an arithmetic number, because the mean of its divisors is an integer number (30256776).

Almost surely, 2^674045145 is an apocalyptic number.

It is an amenable number.

674045145 is a deficient number, since it is larger than the sum of its proper divisors (536225895).

674045145 is a wasteful number, since it uses less digits than its factorization.

674045145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747 (or 2738 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 674045145 is about 25962.3794171490. The cubic root of 674045145 is about 876.7914947201.

The spelling of 674045145 in words is "six hundred seventy-four million, forty-five thousand, one hundred forty-five".