1545242 has 8 divisors (see below), whose sum is σ = 2327232. Its totient is φ = 769500.

The previous prime is 1545241. The next prime is 1545253. The reversal of 1545242 is 2425451.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1545241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (290904).

2^1545242 is an apocalyptic number.

1545242 is a deficient number, since it is larger than the sum of its proper divisors (781990).

1545242 is a wasteful number, since it uses less digits than its factorization.

1545242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124.

The product of its digits is 1600, while the sum is 23.

The square root of 1545242 is about 1243.0776323303. The cubic root of 1545242 is about 115.6109139889.

The spelling of 1545242 in words is "one million, five hundred forty-five thousand, two hundred forty-two".