142365202436561 has 16 divisors (see below), whose sum is σ = 153559176760080. Its totient is φ = 131205973382400.

The previous prime is 142365202436507. The next prime is 142365202436593. The reversal of 142365202436561 is 165634202563241.

It can be written as a sum of positive squares in 8 ways, for example, as 23146579600 + 142342055856961 = 152140^2 + 11930719^2 .

It is a cyclic number.

It is not a de Polignac number, because 142365202436561 - 2²⁶ = 142365135327697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142365202436761) 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, 57000371 + ... + 59445543.

It is an arithmetic number, because the mean of its divisors is an integer number (9597448547505).

Almost surely, 2^{142365202436561} is an apocalyptic number.

It is an amenable number.

142365202436561 is a deficient number, since it is larger than the sum of its proper divisors (11193974323519).

142365202436561 is a wasteful number, since it uses less digits than its factorization.

142365202436561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452276.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 142365202436561 in words is "one hundred forty-two trillion, three hundred sixty-five billion, two hundred two million, four hundred thirty-six thousand, five hundred sixty-one".