1523142 has 24 divisors (see below), whose sum is σ = 3390816. Its totient is φ = 493776.

The previous prime is 1523141. The next prime is 1523153. The reversal of 1523142 is 2413251.

1523142 is a `hidden beast` number, since 1 + 523 + 142 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1523141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478 + ... + 1809.

It is an arithmetic number, because the mean of its divisors is an integer number (141284).

2^1523142 is an apocalyptic number.

1523142 is an abundant number, since it is smaller than the sum of its proper divisors (1867674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1523142 is a wasteful number, since it uses less digits than its factorization.

1523142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332 (or 2329 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1523142 is about 1234.1563920347. The cubic root of 1523142 is about 115.0571108896.

Adding to 1523142 its reverse (2413251), we get a palindrome (3936393).

The spelling of 1523142 in words is "one million, five hundred twenty-three thousand, one hundred forty-two".