145067547 has 4 divisors (see below), whose sum is σ = 193423400. Its totient is φ = 96711696.

The previous prime is 145067513. The next prime is 145067561. The reversal of 145067547 is 745760541.

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

It is not a de Polignac number, because 145067547 - 2⁸ = 145067291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145067567) 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, 24177922 + ... + 24177927.

It is an arithmetic number, because the mean of its divisors is an integer number (48355850).

Almost surely, 2^145067547 is an apocalyptic number.

145067547 is a deficient number, since it is larger than the sum of its proper divisors (48355853).

145067547 is an equidigital number, since it uses as much as digits as its factorization.

145067547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48355852.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 145067547 is about 12044.3989887416. The cubic root of 145067547 is about 525.4403525391.

The spelling of 145067547 in words is "one hundred forty-five million, sixty-seven thousand, five hundred forty-seven".