142550423 has 8 divisors (see below), whose sum is σ = 151090992. Its totient is φ = 134027136.

The previous prime is 142550417. The next prime is 142550437. The reversal of 142550423 is 324055241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142550423 - 2¹⁶ = 142484887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142550392 and 142550401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142550323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15236 + ... + 22742.

It is an arithmetic number, because the mean of its divisors is an integer number (18886374).

Almost surely, 2^142550423 is an apocalyptic number.

142550423 is a deficient number, since it is larger than the sum of its proper divisors (8540569).

142550423 is a wasteful number, since it uses less digits than its factorization.

142550423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 142550423 is about 11939.4481865788. The cubic root of 142550423 is about 522.3835632581.

The spelling of 142550423 in words is "one hundred forty-two million, five hundred fifty thousand, four hundred twenty-three".