145493067 has 4 divisors (see below), whose sum is σ = 193990760. Its totient is φ = 96995376.

The previous prime is 145493063. The next prime is 145493071. The reversal of 145493067 is 760394541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 760394541 = 3 ⋅253464847.

It is an interprime number because it is at equal distance from previous prime (145493063) and next prime (145493071).

It is not a de Polignac number, because 145493067 - 2² = 145493063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145493063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24248842 + ... + 24248847.

It is an arithmetic number, because the mean of its divisors is an integer number (48497690).

Almost surely, 2^145493067 is an apocalyptic number.

145493067 is a deficient number, since it is larger than the sum of its proper divisors (48497693).

145493067 is an equidigital number, since it uses as much as digits as its factorization.

145493067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48497692.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 145493067 is about 12062.0506962954. The cubic root of 145493067 is about 525.9536010868.

The spelling of 145493067 in words is "one hundred forty-five million, four hundred ninety-three thousand, sixty-seven".