1453145 has 8 divisors (see below), whose sum is σ = 1755456. Its totient is φ = 1154736.

The previous prime is 1453141. The next prime is 1453169. The reversal of 1453145 is 5413541.

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

It is a cyclic number.

It is not a de Polignac number, because 1453145 - 2² = 1453141 is a prime.

It is a super-2 number, since 2×1453145² = 4223260782050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1453145.

It is not an unprimeable number, because it can be changed into a prime (1453141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77 + ... + 1706.

It is an arithmetic number, because the mean of its divisors is an integer number (219432).

2^1453145 is an apocalyptic number.

It is an amenable number.

1453145 is a deficient number, since it is larger than the sum of its proper divisors (302311).

1453145 is a wasteful number, since it uses less digits than its factorization.

1453145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951.

The product of its digits is 1200, while the sum is 23.

The square root of 1453145 is about 1205.4646407091. The cubic root of 1453145 is about 113.2668920447.

Adding to 1453145 its reverse (5413541), we get a palindrome (6866686).

The spelling of 1453145 in words is "one million, four hundred fifty-three thousand, one hundred forty-five".