145125241 has 8 divisors (see below), whose sum is σ = 147692160. Its totient is φ = 142574112.

The previous prime is 145125223. The next prime is 145125293. The reversal of 145125241 is 142521541.

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 145125241 - 2²⁷ = 10907513 is a prime.

It is a super-2 number, since 2×145125241² = 42122671150616162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145125641) 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, 15420 + ... + 22978.

It is an arithmetic number, because the mean of its divisors is an integer number (18461520).

Almost surely, 2^145125241 is an apocalyptic number.

It is an amenable number.

145125241 is a deficient number, since it is larger than the sum of its proper divisors (2566919).

145125241 is an equidigital number, since it uses as much as digits as its factorization.

145125241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7895.

The product of its digits is 1600, while the sum is 25.

The square root of 145125241 is about 12046.7938058224. The cubic root of 145125241 is about 525.5099999515.

Adding to 145125241 its reverse (142521541), we get a palindrome (287646782).

The spelling of 145125241 in words is "one hundred forty-five million, one hundred twenty-five thousand, two hundred forty-one".