1145142342 has 24 divisors (see below), whose sum is σ = 2491799544. Its totient is φ = 380074464.

The previous prime is 1145142307. The next prime is 1145142371. The reversal of 1145142342 is 2432415411.

1145142342 is a `hidden beast` number, since 114 + 514 + 2 + 34 + 2 = 666.

It is a super-2 number, since 2×1145142342² = 2622701966882489928, which contains 22 as substring.

It is a congruent number.

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, 132328 + ... + 140715.

It is an arithmetic number, because the mean of its divisors is an integer number (103824981).

Almost surely, 2^1145142342 is an apocalyptic number.

1145142342 is an abundant number, since it is smaller than the sum of its proper divisors (1346657202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145142342 is a wasteful number, since it uses less digits than its factorization.

1145142342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273284 (or 273281 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1145142342 is about 33839.9518616679. The cubic root of 1145142342 is about 1046.2123067230.

Adding to 1145142342 its reverse (2432415411), we get a palindrome (3577557753).

The spelling of 1145142342 in words is "one billion, one hundred forty-five million, one hundred forty-two thousand, three hundred forty-two".