145436262161537 has 2 divisors, whose sum is σ = 145436262161538. Its totient is φ = 145436262161536.

The previous prime is 145436262161507. The next prime is 145436262161557. The reversal of 145436262161537 is 735161262634541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126841676284801 + 18594585876736 = 11262401^2 + 4312144^2 .

It is a cyclic number.

It is not a de Polignac number, because 145436262161537 - 2¹⁰ = 145436262160513 is a prime.

It is not a weakly prime, because it can be changed into another prime (145436262161507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72718131080768 + 72718131080769.

It is an arithmetic number, because the mean of its divisors is an integer number (72718131080769).

Almost surely, 2^{145436262161537} is an apocalyptic number.

It is an amenable number.

145436262161537 is a deficient number, since it is larger than the sum of its proper divisors (1).

145436262161537 is an equidigital number, since it uses as much as digits as its factorization.

145436262161537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 56.

The spelling of 145436262161537 in words is "one hundred forty-five trillion, four hundred thirty-six billion, two hundred sixty-two million, one hundred sixty-one thousand, five hundred thirty-seven".