142254537 has 4 divisors (see below), whose sum is σ = 189672720. Its totient is φ = 94836356.

The previous prime is 142254523. The next prime is 142254547. The reversal of 142254537 is 735452241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 735452241 = 3 ⋅245150747.

It is a cyclic number.

It is not a de Polignac number, because 142254537 - 2¹¹ = 142252489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142254498 and 142254507.

It is not an unprimeable number, because it can be changed into a prime (142254547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23709087 + ... + 23709092.

It is an arithmetic number, because the mean of its divisors is an integer number (47418180).

Almost surely, 2^142254537 is an apocalyptic number.

It is an amenable number.

142254537 is a deficient number, since it is larger than the sum of its proper divisors (47418183).

142254537 is an equidigital number, since it uses as much as digits as its factorization.

142254537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47418182.

The product of its digits is 33600, while the sum is 33.

The square root of 142254537 is about 11927.0506412944. The cubic root of 142254537 is about 522.0218829364.

The spelling of 142254537 in words is "one hundred forty-two million, two hundred fifty-four thousand, five hundred thirty-seven".