1142546 has 16 divisors (see below), whose sum is σ = 1827360. Its totient is φ = 534240.

The previous prime is 1142539. The next prime is 1142549. The reversal of 1142546 is 6452411.

It is a super-2 number, since 2×1142546² = 2610822724232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142549) 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, 3926 + ... + 4206.

It is an arithmetic number, because the mean of its divisors is an integer number (114210).

2^1142546 is an apocalyptic number.

1142546 is a deficient number, since it is larger than the sum of its proper divisors (684814).

1142546 is a wasteful number, since it uses less digits than its factorization.

1142546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409.

The product of its digits is 960, while the sum is 23.

The square root of 1142546 is about 1068.8994339974. The cubic root of 1142546 is about 104.5421027968.

Adding to 1142546 its reverse (6452411), we get a palindrome (7594957).

The spelling of 1142546 in words is "one million, one hundred forty-two thousand, five hundred forty-six".