154225241 has 8 divisors (see below), whose sum is σ = 163563624. Its totient is φ = 144916480.

The previous prime is 154225237. The next prime is 154225243. The reversal of 154225241 is 142522451.

It can be written as a sum of positive squares in 4 ways, for example, as 66259600 + 87965641 = 8140^2 + 9379^2 .

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 154225241 - 2² = 154225237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154225241.

It is not an unprimeable number, because it can be changed into a prime (154225243) 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, 3821 + ... + 17973.

It is an arithmetic number, because the mean of its divisors is an integer number (20445453).

Almost surely, 2^154225241 is an apocalyptic number.

It is an amenable number.

154225241 is a deficient number, since it is larger than the sum of its proper divisors (9338383).

154225241 is a wasteful number, since it uses less digits than its factorization.

154225241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14811.

The product of its digits is 3200, while the sum is 26.

The square root of 154225241 is about 12418.7455485649. The cubic root of 154225241 is about 536.2720376437.

Adding to 154225241 its reverse (142522451), we get a palindrome (296747692).

The spelling of 154225241 in words is "one hundred fifty-four million, two hundred twenty-five thousand, two hundred forty-one".