3545140 has 12 divisors (see below), whose sum is σ = 7444836. Its totient is φ = 1418048.

The previous prime is 3545131. The next prime is 3545161. The reversal of 3545140 is 415453.

It can be written as a sum of positive squares in 2 ways, for example, as 2808976 + 736164 = 1676^2 + 858^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88609 + ... + 88648.

It is an arithmetic number, because the mean of its divisors is an integer number (620403).

Almost surely, 2^3545140 is an apocalyptic number.

It is an amenable number.

3545140 is an abundant number, since it is smaller than the sum of its proper divisors (3899696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3545140 is a wasteful number, since it uses less digits than its factorization.

3545140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177266 (or 177264 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 3545140 is about 1882.8542163428. The cubic root of 3545140 is about 152.4793844747.

The spelling of 3545140 in words is "three million, five hundred forty-five thousand, one hundred forty".