361440146437 has 4 divisors (see below), whose sum is σ = 361456854316. Its totient is φ = 361423438560.

The previous prime is 361440146401. The next prime is 361440146447. The reversal of 361440146437 is 734641044163.

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

It can be written as a sum of positive squares in 2 ways, for example, as 205674948196 + 155765198241 = 453514^2 + 394671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361440146437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 361440146393 and 361440146402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361440146447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8321448 + ... + 8364769.

It is an arithmetic number, because the mean of its divisors is an integer number (90364213579).

Almost surely, 2^361440146437 is an apocalyptic number.

It is an amenable number.

361440146437 is a deficient number, since it is larger than the sum of its proper divisors (16707879).

361440146437 is a wasteful number, since it uses less digits than its factorization.

361440146437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16707878.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 361440146437 in words is "three hundred sixty-one billion, four hundred forty million, one hundred forty-six thousand, four hundred thirty-seven".