145877241 has 8 divisors (see below), whose sum is σ = 194850720. Its totient is φ = 97077632.

The previous prime is 145877219. The next prime is 145877297. The reversal of 145877241 is 142778541.

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

It is a cyclic number.

It is not a de Polignac number, because 145877241 - 2⁵ = 145877209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145877241.

It is not an unprimeable number, because it can be changed into a prime (145877741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41496 + ... + 44873.

It is an arithmetic number, because the mean of its divisors is an integer number (24356340).

Almost surely, 2^145877241 is an apocalyptic number.

It is an amenable number.

145877241 is a deficient number, since it is larger than the sum of its proper divisors (48973479).

145877241 is an equidigital number, since it uses as much as digits as its factorization.

145877241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86935.

The product of its digits is 62720, while the sum is 39.

The square root of 145877241 is about 12077.9651017876. The cubic root of 145877241 is about 526.4161205252.

The spelling of 145877241 in words is "one hundred forty-five million, eight hundred seventy-seven thousand, two hundred forty-one".