153145241 has 4 divisors (see below), whose sum is σ = 154632192. Its totient is φ = 151658292.

The previous prime is 153145229. The next prime is 153145253. The reversal of 153145241 is 142541351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142541351 = 29 ⋅4915219.

It is an interprime number because it is at equal distance from previous prime (153145229) and next prime (153145253).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153145241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 153145241.

It is not an unprimeable number, because it can be changed into a prime (153145271) 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 3 ways as a sum of consecutive naturals, for example, 743321 + ... + 743526.

It is an arithmetic number, because the mean of its divisors is an integer number (38658048).

Almost surely, 2^153145241 is an apocalyptic number.

It is an amenable number.

153145241 is a deficient number, since it is larger than the sum of its proper divisors (1486951).

153145241 is a wasteful number, since it uses less digits than its factorization.

153145241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486950.

The product of its digits is 2400, while the sum is 26.

The square root of 153145241 is about 12375.1865036451. The cubic root of 153145241 is about 535.0173121600.

Adding to 153145241 its reverse (142541351), we get a palindrome (295686592).

The spelling of 153145241 in words is "one hundred fifty-three million, one hundred forty-five thousand, two hundred forty-one".