145748841 has 8 divisors (see below), whose sum is σ = 222093504. Its totient is φ = 83285040.

The previous prime is 145748839. The next prime is 145748843. The reversal of 145748841 is 148847541.

It is an interprime number because it is at equal distance from previous prime (145748839) and next prime (145748843).

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

It is not a de Polignac number, because 145748841 - 2¹ = 145748839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145748793 and 145748802.

It is not an unprimeable number, because it can be changed into a prime (145748843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3470190 + ... + 3470231.

It is an arithmetic number, because the mean of its divisors is an integer number (27761688).

Almost surely, 2^145748841 is an apocalyptic number.

It is an amenable number.

145748841 is a deficient number, since it is larger than the sum of its proper divisors (76344663).

145748841 is an equidigital number, since it uses as much as digits as its factorization.

145748841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940431.

The product of its digits is 143360, while the sum is 42.

The square root of 145748841 is about 12072.6484666787. The cubic root of 145748841 is about 526.2616260787.

The spelling of 145748841 in words is "one hundred forty-five million, seven hundred forty-eight thousand, eight hundred forty-one".