1545454 has 16 divisors (see below), whose sum is σ = 2431296. Its totient is φ = 736000.

The previous prime is 1545449. The next prime is 1545461. The reversal of 1545454 is 4545451.

It is a super-2 number, since 2×1545454² = 4776856132232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3654 + ... + 4054.

It is an arithmetic number, because the mean of its divisors is an integer number (151956).

2^1545454 is an apocalyptic number.

1545454 is a deficient number, since it is larger than the sum of its proper divisors (885842).

1545454 is a wasteful number, since it uses less digits than its factorization.

1545454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its digits is 8000, while the sum is 28.

The square root of 1545454 is about 1243.1629016344. The cubic root of 1545454 is about 115.6162008400.

The spelling of 1545454 in words is "one million, five hundred forty-five thousand, four hundred fifty-four".