142050531 has 8 divisors (see below), whose sum is σ = 216457984. Its totient is φ = 81171720.

The previous prime is 142050529. The next prime is 142050539. The reversal of 142050531 is 135050241.

142050531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142050531 - 2¹ = 142050529 is a prime.

It is a super-2 number, since 2×142050531² = 40356706714763922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6764311 = 142050531 / (1 + 4 + 2 + 0 + 5 + 0 + 5 + 3 + 1).

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 142050498 and 142050507.

It is not an unprimeable number, because it can be changed into a prime (142050539) 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, 3382135 + ... + 3382176.

It is an arithmetic number, because the mean of its divisors is an integer number (27057248).

Almost surely, 2^142050531 is an apocalyptic number.

142050531 is a deficient number, since it is larger than the sum of its proper divisors (74407453).

142050531 is an equidigital number, since it uses as much as digits as its factorization.

142050531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764321.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 142050531 is about 11918.4953328849. The cubic root of 142050531 is about 521.7722211980.

The spelling of 142050531 in words is "one hundred forty-two million, fifty thousand, five hundred thirty-one".