151202281 has 2 divisors, whose sum is σ = 151202282. Its totient is φ = 151202280.

The previous prime is 151202279. The next prime is 151202327. The reversal of 151202281 is 182202151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141991056 + 9211225 = 11916^2 + 3035^2 .

It is an emirp because it is prime and its reverse (182202151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151202281 - 2¹ = 151202279 is a prime.

It is a super-2 number, since 2×151202281² = 45724259559205922, which contains 22 as substring.

Together with 151202279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (151202581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75601140 + 75601141.

It is an arithmetic number, because the mean of its divisors is an integer number (75601141).

Almost surely, 2^151202281 is an apocalyptic number.

It is an amenable number.

151202281 is a deficient number, since it is larger than the sum of its proper divisors (1).

151202281 is an equidigital number, since it uses as much as digits as its factorization.

151202281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 151202281 is about 12296.4336699711. The cubic root of 151202281 is about 532.7450800123.

The spelling of 151202281 in words is "one hundred fifty-one million, two hundred two thousand, two hundred eighty-one".