145540041 has 8 divisors (see below), whose sum is σ = 196510080. Its totient is φ = 95798352.

The previous prime is 145540039. The next prime is 145540049. The reversal of 145540041 is 140045541.

It is a happy number.

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

It is not a de Polignac number, because 145540041 - 2¹ = 145540039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145539993 and 145540020.

It is not an unprimeable number, because it can be changed into a prime (145540049) 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, 306810 + ... + 307283.

It is an arithmetic number, because the mean of its divisors is an integer number (24563760).

Almost surely, 2^145540041 is an apocalyptic number.

It is an amenable number.

145540041 is a deficient number, since it is larger than the sum of its proper divisors (50970039).

145540041 is an equidigital number, since it uses as much as digits as its factorization.

145540041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614175.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 145540041 is about 12063.9977204905. The cubic root of 145540041 is about 526.0101982534.

Adding to 145540041 its reverse (140045541), we get a palindrome (285585582).

The spelling of 145540041 in words is "one hundred forty-five million, five hundred forty thousand, forty-one".