145696472269 has 2 divisors, whose sum is σ = 145696472270. Its totient is φ = 145696472268.

The previous prime is 145696472237. The next prime is 145696472329. The reversal of 145696472269 is 962274696541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100343232900 + 45353239369 = 316770^2 + 212963^2 .

It is a cyclic number.

It is not a de Polignac number, because 145696472269 - 2⁵ = 145696472237 is a prime.

It is a super-2 number, since 2×145696472269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145696472569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72848236134 + 72848236135.

It is an arithmetic number, because the mean of its divisors is an integer number (72848236135).

Almost surely, 2^145696472269 is an apocalyptic number.

It is an amenable number.

145696472269 is a deficient number, since it is larger than the sum of its proper divisors (1).

145696472269 is an equidigital number, since it uses as much as digits as its factorization.

145696472269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39191040, while the sum is 61.

The spelling of 145696472269 in words is "one hundred forty-five billion, six hundred ninety-six million, four hundred seventy-two thousand, two hundred sixty-nine".