148145445 has 24 divisors (see below), whose sum is σ = 293469696.
Its totient is φ = 67723488.
The previous prime is 148145443. The next prime is 148145467. The reversal of 148145445 is 544541841.
It is not a de Polignac number, because 148145445 - 21 = 148145443 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148145443) 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 23 ways as a sum of consecutive naturals, for example, 234837 + ... + 235466.
It is an arithmetic number, because the mean of its divisors is an integer number (12227904).
Almost surely, 2148145445 is an apocalyptic number.
148145445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
148145445 is a deficient number, since it is larger than the sum of its proper divisors (145324251).
148145445 is a wasteful number, since it uses less digits than its factorization.
148145445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 470321 (or 470318 counting only the distinct ones).
The product of its digits is 51200, while the sum is 36.
The square root of 148145445 is about 12171.5013453559.
The cubic root of 148145445 is about 529.1304657347.
The spelling of 148145445 in words is "one hundred forty-eight million, one hundred forty-five thousand, four hundred forty-five".