145324147 has 2 divisors, whose sum is σ = 145324148. Its totient is φ = 145324146.

The previous prime is 145324121. The next prime is 145324163. The reversal of 145324147 is 741423541.

145324147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145324147 - 2⁷ = 145324019 is a prime.

It is a super-2 number, since 2×145324147² = 42238215402555218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145324247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72662073 + 72662074.

It is an arithmetic number, because the mean of its divisors is an integer number (72662074).

Almost surely, 2^145324147 is an apocalyptic number.

145324147 is a deficient number, since it is larger than the sum of its proper divisors (1).

145324147 is an equidigital number, since it uses as much as digits as its factorization.

145324147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 31.

The square root of 145324147 is about 12055.0465366169. The cubic root of 145324147 is about 525.7499751466.

Adding to 145324147 its reverse (741423541), we get a palindrome (886747688).

It can be divided in two parts, 1453 and 24147, that added together give a square (25600 = 160²).

The spelling of 145324147 in words is "one hundred forty-five million, three hundred twenty-four thousand, one hundred forty-seven".