3145455 has 12 divisors (see below), whose sum is σ = 5452200. Its totient is φ = 1677552.

The previous prime is 3145453. The next prime is 3145463. The reversal of 3145455 is 5545413.

It is not a de Polignac number, because 3145455 - 2¹ = 3145453 is a prime.

It is an Ulam number.

3145455 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145453) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 34905 + ... + 34994.

It is an arithmetic number, because the mean of its divisors is an integer number (454350).

Almost surely, 2^3145455 is an apocalyptic number.

3145455 is a deficient number, since it is larger than the sum of its proper divisors (2306745).

3145455 is a wasteful number, since it uses less digits than its factorization.

3145455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69910 (or 69907 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 3145455 is about 1773.5430640388. The cubic root of 3145455 is about 146.5191842769.

It can be divided in two parts, 3145 and 455, that added together give a square (3600 = 60²).

The spelling of 3145455 in words is "three million, one hundred forty-five thousand, four hundred fifty-five".