145452163 has 4 divisors (see below), whose sum is σ = 153107560. Its totient is φ = 137796768.

The previous prime is 145452149. The next prime is 145452247. The reversal of 145452163 is 361254541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145452163 - 2¹⁷ = 145321091 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145452113) 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 in 3 ways as a sum of consecutive naturals, for example, 3827670 + ... + 3827707.

It is an arithmetic number, because the mean of its divisors is an integer number (38276890).

Almost surely, 2^145452163 is an apocalyptic number.

145452163 is a deficient number, since it is larger than the sum of its proper divisors (7655397).

145452163 is an equidigital number, since it uses as much as digits as its factorization.

145452163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7655396.

The product of its digits is 14400, while the sum is 31.

The square root of 145452163 is about 12060.3550113585. The cubic root of 145452163 is about 525.9043075065.

The spelling of 145452163 in words is "one hundred forty-five million, four hundred fifty-two thousand, one hundred sixty-three".