1451642849042 has 24 divisors (see below), whose sum is σ = 2314157010516. Its totient is φ = 680585391104.

The previous prime is 1451642849039. The next prime is 1451642849051. The reversal of 1451642849042 is 2409482461541.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 299002269721 + 1152640579321 = 546811^2 + 1073611^2 .

It is a super-2 number, since 2×1451642849042² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2165258 + ... + 2755290.

Almost surely, 2^{1451642849042} is an apocalyptic number.

1451642849042 is a deficient number, since it is larger than the sum of its proper divisors (862514161474).

1451642849042 is an equidigital number, since it uses as much as digits as its factorization.

1451642849042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590590 (or 590321 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 1451642849042 in words is "one trillion, four hundred fifty-one billion, six hundred forty-two million, eight hundred forty-nine thousand, forty-two".