1355145 has 32 divisors (see below), whose sum is σ = 2433024. Its totient is φ = 638400.

The previous prime is 1355131. The next prime is 1355153. The reversal of 1355145 is 5415531.

It is not a de Polignac number, because 1355145 - 2⁴ = 1355129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7000 + ... + 7190.

It is an arithmetic number, because the mean of its divisors is an integer number (76032).

2^1355145 is an apocalyptic number.

1355145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1355145 is a deficient number, since it is larger than the sum of its proper divisors (1077879).

1355145 is a wasteful number, since it uses less digits than its factorization.

1355145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253.

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

The square root of 1355145 is about 1164.1069538492. The cubic root of 1355145 is about 110.6611695065.

The spelling of 1355145 in words is "one million, three hundred fifty-five thousand, one hundred forty-five".