145403413 has 2 divisors, whose sum is σ = 145403414. Its totient is φ = 145403412.

The previous prime is 145403411. The next prime is 145403441. The reversal of 145403413 is 314304541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74960964 + 70442449 = 8658^2 + 8393^2 .

It is a cyclic number.

It is not a de Polignac number, because 145403413 - 2¹ = 145403411 is a prime.

It is a super-2 number, since 2×145403413² = 42284305024097138, which contains 22 as substring.

Together with 145403411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145403411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72701706 + 72701707.

It is an arithmetic number, because the mean of its divisors is an integer number (72701707).

Almost surely, 2^145403413 is an apocalyptic number.

It is an amenable number.

145403413 is a deficient number, since it is larger than the sum of its proper divisors (1).

145403413 is an equidigital number, since it uses as much as digits as its factorization.

145403413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 145403413 is about 12058.3337571988. Note that the first 3 decimals coincide. The cubic root of 145403413 is about 525.8455466070.

Adding to 145403413 its reverse (314304541), we get a palindrome (459707954).

The spelling of 145403413 in words is "one hundred forty-five million, four hundred three thousand, four hundred thirteen".