2451145142 has 16 divisors (see below), whose sum is σ = 3777649920. Its totient is φ = 1191955968.

The previous prime is 2451145129. The next prime is 2451145157. The reversal of 2451145142 is 2415411542.

It is a happy number.

It is a super-2 number, since 2×2451145142² = 12016225014300400328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 226859 + ... + 237417.

It is an arithmetic number, because the mean of its divisors is an integer number (236103120).

Almost surely, 2^2451145142 is an apocalyptic number.

2451145142 is a deficient number, since it is larger than the sum of its proper divisors (1326504778).

2451145142 is a wasteful number, since it uses less digits than its factorization.

2451145142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13735.

The product of its digits is 6400, while the sum is 29.

The square root of 2451145142 is about 49509.0410127282. The cubic root of 2451145142 is about 1348.3097533145.

Adding to 2451145142 its reverse (2415411542), we get a palindrome (4866556684).

The spelling of 2451145142 in words is "two billion, four hundred fifty-one million, one hundred forty-five thousand, one hundred forty-two".