145416505537 has 2 divisors, whose sum is σ = 145416505538. Its totient is φ = 145416505536.

The previous prime is 145416505523. The next prime is 145416505607. The reversal of 145416505537 is 735505614541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137807258176 + 7609247361 = 371224^2 + 87231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145416505537 is a prime.

It is a super-2 number, since 2×145416505537² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145416506537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72708252768 + 72708252769.

It is an arithmetic number, because the mean of its divisors is an integer number (72708252769).

Almost surely, 2^145416505537 is an apocalyptic number.

It is an amenable number.

145416505537 is a deficient number, since it is larger than the sum of its proper divisors (1).

145416505537 is an equidigital number, since it uses as much as digits as its factorization.

145416505537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 145416505537 in words is "one hundred forty-five billion, four hundred sixteen million, five hundred five thousand, five hundred thirty-seven".