151552241 has 4 divisors (see below), whose sum is σ = 151877232. Its totient is φ = 151227252.

The previous prime is 151552223. The next prime is 151552279. The reversal of 151552241 is 142255151.

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: 142255151 = 401 ⋅354751.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151552241 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 151552241.

It is not an unprimeable number, because it can be changed into a prime (151552201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161795 + ... + 162728.

It is an arithmetic number, because the mean of its divisors is an integer number (37969308).

Almost surely, 2^151552241 is an apocalyptic number.

It is an amenable number.

151552241 is a deficient number, since it is larger than the sum of its proper divisors (324991).

151552241 is an equidigital number, since it uses as much as digits as its factorization.

151552241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324990.

The product of its digits is 2000, while the sum is 26.

The square root of 151552241 is about 12310.6555877419. The cubic root of 151552241 is about 533.1557788735.

The spelling of 151552241 in words is "one hundred fifty-one million, five hundred fifty-two thousand, two hundred forty-one".