151898081 has 2 divisors, whose sum is σ = 151898082. Its totient is φ = 151898080.

The previous prime is 151898069. The next prime is 151898129. The reversal of 151898081 is 180898151.

It is a happy number.

151898081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143017681 + 8880400 = 11959^2 + 2980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151898081 is a prime.

It is a super-2 number, since 2×151898081² = 46146054022965122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151828081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75949040 + 75949041.

It is an arithmetic number, because the mean of its divisors is an integer number (75949041).

Almost surely, 2^151898081 is an apocalyptic number.

It is an amenable number.

151898081 is a deficient number, since it is larger than the sum of its proper divisors (1).

151898081 is an equidigital number, since it uses as much as digits as its factorization.

151898081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 41.

The square root of 151898081 is about 12324.6939515754. The cubic root of 151898081 is about 533.5610220096.

It can be divided in two parts, 1518 and 98081, that added together give a palindrome (99599).

The spelling of 151898081 in words is "one hundred fifty-one million, eight hundred ninety-eight thousand, eighty-one".