1535545 has 8 divisors (see below), whose sum is σ = 2010240. Its totient is φ = 1116720.

The previous prime is 1535543. The next prime is 1535563. The reversal of 1535545 is 5455351.

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

It is not a de Polignac number, because 1535545 - 2¹ = 1535543 is a prime.

1535545 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1535543) by changing a digit.

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, 13905 + ... + 14014.

It is an arithmetic number, because the mean of its divisors is an integer number (251280).

2^1535545 is an apocalyptic number.

It is an amenable number.

1535545 is a deficient number, since it is larger than the sum of its proper divisors (474695).

1535545 is a wasteful number, since it uses less digits than its factorization.

1535545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27935.

The product of its digits is 7500, while the sum is 28.

The square root of 1535545 is about 1239.1710939172. The cubic root of 1535545 is about 115.3685717294.

It can be divided in two parts, 15355 and 45, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 1535545 in words is "one million, five hundred thirty-five thousand, five hundred forty-five".