1142551442 has 8 divisors (see below), whose sum is σ = 1717645500. Its totient is φ = 570002944.

The previous prime is 1142551439. The next prime is 1142551463. The reversal of 1142551442 is 2441552411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1126877761 + 15673681 = 33569^2 + 3959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635267 + ... + 637062.

Almost surely, 2^1142551442 is an apocalyptic number.

1142551442 is a deficient number, since it is larger than the sum of its proper divisors (575094058).

1142551442 is a wasteful number, since it uses less digits than its factorization.

1142551442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272780.

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

The square root of 1142551442 is about 33801.6485100949. The cubic root of 1142551442 is about 1045.4226877620.

The spelling of 1142551442 in words is "one billion, one hundred forty-two million, five hundred fifty-one thousand, four hundred forty-two".