145548057 has 8 divisors (see below), whose sum is σ = 196722784. Its totient is φ = 95702688.

The previous prime is 145548031. The next prime is 145548061. The reversal of 145548057 is 750845541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145548057 - 2¹⁰ = 145547033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145548757) 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 7 ways as a sum of consecutive naturals, for example, 332083 + ... + 332520.

It is an arithmetic number, because the mean of its divisors is an integer number (24590348).

Almost surely, 2^145548057 is an apocalyptic number.

It is an amenable number.

145548057 is a deficient number, since it is larger than the sum of its proper divisors (51174727).

145548057 is an equidigital number, since it uses as much as digits as its factorization.

145548057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664679.

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 145548057 is about 12064.3299440955. The cubic root of 145548057 is about 526.0198552072.

The spelling of 145548057 in words is "one hundred forty-five million, five hundred forty-eight thousand, fifty-seven".