374545 has 8 divisors (see below), whose sum is σ = 453096. Its totient is φ = 297216.

The previous prime is 374537. The next prime is 374557. The reversal of 374545 is 545473.

It is a Cunningham number, because it is equal to 612²+1.

374545 is a nontrivial binomial coefficient, being equal to C(866, 2).

It can be written as a sum of positive squares in 4 ways, for example, as 41616 + 332929 = 204^2 + 577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 374545 - 2³ = 374537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649 + ... + 1081.

It is an arithmetic number, because the mean of its divisors is an integer number (56637).

2³⁷⁴⁵⁴⁵ is an apocalyptic number.

374545 is the 865-th triangular number and also the 433-rd hexagonal number.

374545 is the 289-th centered nonagonal number.

It is an amenable number.

374545 is a deficient number, since it is larger than the sum of its proper divisors (78551).

374545 is a wasteful number, since it uses less digits than its factorization.

374545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its digits is 8400, while the sum is 28.

The square root of 374545 is about 612.0008169929. Note that the first 3 decimals coincide. The cubic root of 374545 is about 72.0833012203.

It can be divided in two parts, 374 and 545, that added together give a palindrome (919).

The spelling of 374545 in words is "three hundred seventy-four thousand, five hundred forty-five".