145922515237 has 2 divisors, whose sum is σ = 145922515238. Its totient is φ = 145922515236.

The previous prime is 145922515199. The next prime is 145922515331. The reversal of 145922515237 is 732515229541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138031568676 + 7890946561 = 371526^2 + 88831^2 .

It is a cyclic number.

It is not a de Polignac number, because 145922515237 - 2¹⁵ = 145922482469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145922513237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72961257618 + 72961257619.

It is an arithmetic number, because the mean of its divisors is an integer number (72961257619).

Almost surely, 2^145922515237 is an apocalyptic number.

It is an amenable number.

145922515237 is a deficient number, since it is larger than the sum of its proper divisors (1).

145922515237 is an equidigital number, since it uses as much as digits as its factorization.

145922515237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 46.

The spelling of 145922515237 in words is "one hundred forty-five billion, nine hundred twenty-two million, five hundred fifteen thousand, two hundred thirty-seven".