142501001506 has 4 divisors (see below), whose sum is σ = 213751502262. Its totient is φ = 71250500752.

The previous prime is 142501001437. The next prime is 142501001521. The reversal of 142501001506 is 605100105241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 140786296225 + 1714705281 = 375215^2 + 41409^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35625250375 + ... + 35625250378.

Almost surely, 2^142501001506 is an apocalyptic number.

142501001506 is a deficient number, since it is larger than the sum of its proper divisors (71250500756).

142501001506 is an equidigital number, since it uses as much as digits as its factorization.

142501001506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71250500755.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 142501001506 its reverse (605100105241), we get a palindrome (747601106747).

The spelling of 142501001506 in words is "one hundred forty-two billion, five hundred one million, one thousand, five hundred six".