1153545 has 16 divisors (see below), whose sum is σ = 1881792. Its totient is φ = 603200.

The previous prime is 1153531. The next prime is 1153553. The reversal of 1153545 is 5453511.

It is not a de Polignac number, because 1153545 - 2¹⁴ = 1137161 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70 + ... + 1520.

It is an arithmetic number, because the mean of its divisors is an integer number (117612).

2^1153545 is an apocalyptic number.

1153545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153545 is a deficient number, since it is larger than the sum of its proper divisors (728247).

1153545 is a wasteful number, since it uses less digits than its factorization.

1153545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512.

The product of its digits is 1500, while the sum is 24.

The square root of 1153545 is about 1074.0321224247. The cubic root of 1153545 is about 104.8764987855.

The spelling of 1153545 in words is "one million, one hundred fifty-three thousand, five hundred forty-five".