2451142 has 4 divisors (see below), whose sum is σ = 3676716. Its totient is φ = 1225570.

The previous prime is 2451101. The next prime is 2451143. The reversal of 2451142 is 2411542.

2451142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612784 + ... + 612787.

It is an arithmetic number, because the mean of its divisors is an integer number (919179).

2^2451142 is an apocalyptic number.

2451142 is a deficient number, since it is larger than the sum of its proper divisors (1225574).

2451142 is a wasteful number, since it uses less digits than its factorization.

2451142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225573.

The product of its digits is 320, while the sum is 19.

The square root of 2451142 is about 1565.6123402682. The cubic root of 2451142 is about 134.8309177204.

Adding to 2451142 its reverse (2411542), we get a palindrome (4862684).

The spelling of 2451142 in words is "two million, four hundred fifty-one thousand, one hundred forty-two".