145290911 has 2 divisors, whose sum is σ = 145290912. Its totient is φ = 145290910.

The previous prime is 145290883. The next prime is 145290923. The reversal of 145290911 is 119092541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145290911 is a prime.

It is a super-2 number, since 2×145290911² = 42218897638419842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145290941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72645455 + 72645456.

It is an arithmetic number, because the mean of its divisors is an integer number (72645456).

Almost surely, 2^145290911 is an apocalyptic number.

145290911 is a deficient number, since it is larger than the sum of its proper divisors (1).

145290911 is an equidigital number, since it uses as much as digits as its factorization.

145290911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 145290911 is about 12053.6679479733. The cubic root of 145290911 is about 525.7098919744.

It can be divided in two parts, 14 and 5290911, that added together give a palindrome (5290925).

The spelling of 145290911 in words is "one hundred forty-five million, two hundred ninety thousand, nine hundred eleven".