142152251636465 has 64 divisors (see below), whose sum is σ = 201180808857600. Its totient is φ = 94408931994624.

The previous prime is 142152251636407. The next prime is 142152251636471. The reversal of 142152251636465 is 564636152251241.

It is a happy number.

142152251636465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 142152251636465 - 2⁶ = 142152251636401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 834195491 + ... + 834365879.

It is an arithmetic number, because the mean of its divisors is an integer number (3143450138400).

Almost surely, 2^{142152251636465} is an apocalyptic number.

It is an amenable number.

142152251636465 is a deficient number, since it is larger than the sum of its proper divisors (59028557221135).

142152251636465 is a wasteful number, since it uses less digits than its factorization.

142152251636465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176226.

The product of its digits is 10368000, while the sum is 53.

The spelling of 142152251636465 in words is "one hundred forty-two trillion, one hundred fifty-two billion, two hundred fifty-one million, six hundred thirty-six thousand, four hundred sixty-five".