142540348 has 12 divisors (see below), whose sum is σ = 249949000. Its totient is φ = 71126352.

The previous prime is 142540339. The next prime is 142540369. The reversal of 142540348 is 843045241.

It is a super-2 number, since 2×142540348² = 40635501615922208, 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 3 ways as a sum of consecutive naturals, for example, 33711 + ... + 37702.

Almost surely, 2^142540348 is an apocalyptic number.

It is an amenable number.

142540348 is a deficient number, since it is larger than the sum of its proper divisors (107408652).

142540348 is a wasteful number, since it uses less digits than its factorization.

142540348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71916 (or 71914 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 142540348 is about 11939.0262584517. The cubic root of 142540348 is about 522.3712561780.

Adding to 142540348 its reverse (843045241), we get a palindrome (985585589).

The spelling of 142540348 in words is "one hundred forty-two million, five hundred forty thousand, three hundred forty-eight".