1425145 has 8 divisors (see below), whose sum is σ = 1739520. Its totient is φ = 1120560.

The previous prime is 1425139. The next prime is 1425169. The reversal of 1425145 is 5415241.

1425145 = 373² + 374² + ... + 382².

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

It is not a de Polignac number, because 1425145 - 2⁵ = 1425113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121 + ... + 2710.

It is an arithmetic number, because the mean of its divisors is an integer number (217440).

2^1425145 is an apocalyptic number.

It is an amenable number.

1425145 is a deficient number, since it is larger than the sum of its proper divisors (314375).

1425145 is an equidigital number, since it uses as much as digits as its factorization.

1425145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895.

The product of its digits is 800, while the sum is 22.

The square root of 1425145 is about 1193.7943709031. The cubic root of 1425145 is about 112.5346724404.

The spelling of 1425145 in words is "one million, four hundred twenty-five thousand, one hundred forty-five".