1542245 has 8 divisors (see below), whose sum is σ = 1862784. Its totient is φ = 1225744.

The previous prime is 1542239. The next prime is 1542251. The reversal of 1542245 is 5422451.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1542239) and next prime (1542251).

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 1542245 - 2¹⁸ = 1280101 is a prime.

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 1542245.

It is a congruent number.

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, 89 + ... + 1758.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

2^1542245 is an apocalyptic number.

It is an amenable number.

1542245 is a deficient number, since it is larger than the sum of its proper divisors (320539).

1542245 is a wasteful number, since it uses less digits than its factorization.

1542245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019.

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

The square root of 1542245 is about 1241.8715714598. The cubic root of 1542245 is about 115.5361230815.

Adding to 1542245 its reverse (5422451), we get a palindrome (6964696).

The spelling of 1542245 in words is "one million, five hundred forty-two thousand, two hundred forty-five".