145345511 has 2 divisors, whose sum is σ = 145345512. Its totient is φ = 145345510.

The previous prime is 145345507. The next prime is 145345513. The reversal of 145345511 is 115543541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145345511 - 2² = 145345507 is a prime.

It is a super-2 number, since 2×145345511² = 42250635135702242, which contains 22 as substring.

Together with 145345513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145345513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72672755 + 72672756.

It is an arithmetic number, because the mean of its divisors is an integer number (72672756).

Almost surely, 2^145345511 is an apocalyptic number.

145345511 is a deficient number, since it is larger than the sum of its proper divisors (1).

145345511 is an equidigital number, since it uses as much as digits as its factorization.

145345511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 29.

The square root of 145345511 is about 12055.9326059828. The cubic root of 145345511 is about 525.7757372615.

It can be divided in two parts, 1453 and 45511, that added together give a palindrome (46964).

The spelling of 145345511 in words is "one hundred forty-five million, three hundred forty-five thousand, five hundred eleven".