1142049001538 has 8 divisors (see below), whose sum is σ = 1719739158732. Its totient is φ = 568802615296.

The previous prime is 1142049001487. The next prime is 1142049001603. The reversal of 1142049001538 is 8351009402411.

It can be written as a sum of positive squares in 2 ways, for example, as 1117065089569 + 24983911969 = 1056913^2 + 158063^2 .

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, 1110942095 + ... + 1110943122.

Almost surely, 2^{1142049001538} is an apocalyptic number.

1142049001538 is a deficient number, since it is larger than the sum of its proper divisors (577690157194).

1142049001538 is a wasteful number, since it uses less digits than its factorization.

1142049001538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221885476.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 1142049001538 in words is "one trillion, one hundred forty-two billion, forty-nine million, one thousand, five hundred thirty-eight".