145152241 has 24 divisors (see below), whose sum is σ = 166017600. Its totient is φ = 126599616.

The previous prime is 145152193. The next prime is 145152263. The reversal of 145152241 is 142251541.

145152241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145152241 - 2²¹ = 143055089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145152281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 415735 + ... + 416083.

It is an arithmetic number, because the mean of its divisors is an integer number (6917400).

Almost surely, 2^145152241 is an apocalyptic number.

It is an amenable number.

145152241 is a deficient number, since it is larger than the sum of its proper divisors (20865359).

145152241 is a wasteful number, since it uses less digits than its factorization.

145152241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 492 counting only the distinct ones).

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

The square root of 145152241 is about 12047.9143838259. The cubic root of 145152241 is about 525.5425876440.

The spelling of 145152241 in words is "one hundred forty-five million, one hundred fifty-two thousand, two hundred forty-one".