142476137 has 8 divisors (see below), whose sum is σ = 145461960. Its totient is φ = 139501440.

The previous prime is 142476127. The next prime is 142476161. The reversal of 142476137 is 731674241.

It can be written as a sum of positive squares in 4 ways, for example, as 12082576 + 130393561 = 3476^2 + 11419^2 .

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 142476137 - 2⁶ = 142476073 is a prime.

It is a super-2 number, since 2×142476137² = 40598899228885538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142476097 and 142476106.

It is not an unprimeable number, because it can be changed into a prime (142476127) 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 7 ways as a sum of consecutive naturals, for example, 26189 + ... + 31157.

It is an arithmetic number, because the mean of its divisors is an integer number (18182745).

Almost surely, 2^142476137 is an apocalyptic number.

It is an amenable number.

142476137 is a deficient number, since it is larger than the sum of its proper divisors (2985823).

142476137 is an equidigital number, since it uses as much as digits as its factorization.

142476137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563.

The product of its digits is 28224, while the sum is 35.

The square root of 142476137 is about 11936.3368333840. The cubic root of 142476137 is about 522.2928058326.

The spelling of 142476137 in words is "one hundred forty-two million, four hundred seventy-six thousand, one hundred thirty-seven".