142502404621 has 16 divisors (see below), whose sum is σ = 150459753600. Its totient is φ = 134591122368.

The previous prime is 142502404607. The next prime is 142502404631. The reversal of 142502404621 is 126404205241.

It is a cyclic number.

It is not a de Polignac number, because 142502404621 - 2¹³ = 142502396429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142502404631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24039960 + ... + 24045886.

It is an arithmetic number, because the mean of its divisors is an integer number (9403734600).

Almost surely, 2^142502404621 is an apocalyptic number.

It is an amenable number.

142502404621 is a deficient number, since it is larger than the sum of its proper divisors (7957348979).

142502404621 is a wasteful number, since it uses less digits than its factorization.

142502404621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9588.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 142502404621 its reverse (126404205241), we get a palindrome (268906609862).

The spelling of 142502404621 in words is "one hundred forty-two billion, five hundred two million, four hundred four thousand, six hundred twenty-one".