142103534 has 4 divisors (see below), whose sum is σ = 213155304. Its totient is φ = 71051766.

The previous prime is 142103531. The next prime is 142103537. The reversal of 142103534 is 435301241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435301241 = 1553 ⋅280297.

It is an interprime number because it is at equal distance from previous prime (142103531) and next prime (142103537).

It is a super-4 number, since 4×142103534⁴ (a number of 34 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142103531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35525882 + ... + 35525885.

It is an arithmetic number, because the mean of its divisors is an integer number (53288826).

Almost surely, 2^142103534 is an apocalyptic number.

142103534 is a deficient number, since it is larger than the sum of its proper divisors (71051770).

142103534 is an equidigital number, since it uses as much as digits as its factorization.

142103534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71051769.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 142103534 is about 11920.7186863880. The cubic root of 142103534 is about 521.8371090326.

Adding to 142103534 its reverse (435301241), we get a palindrome (577404775).

The spelling of 142103534 in words is "one hundred forty-two million, one hundred three thousand, five hundred thirty-four".