1475145 has 48 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 671328.

The previous prime is 1475137. The next prime is 1475147. The reversal of 1475145 is 5415741.

It is a happy number.

1475145 is a `hidden beast` number, since 147 + 514 + 5 = 666.

It is not a de Polignac number, because 1475145 - 2³ = 1475137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1475147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6504 + ... + 6726.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2^1475145 is an apocalyptic number.

1475145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1475145 is an abundant number, since it is smaller than the sum of its proper divisors (1589175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1475145 is a wasteful number, since it uses less digits than its factorization.

1475145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 238 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 1475145 is about 1214.5554742374. Note that the first 3 decimals coincide. The cubic root of 1475145 is about 113.8356357110.

The spelling of 1475145 in words is "one million, four hundred seventy-five thousand, one hundred forty-five".