151746481 has 2 divisors, whose sum is σ = 151746482. Its totient is φ = 151746480.

The previous prime is 151746451. The next prime is 151746499. The reversal of 151746481 is 184647151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149842081 + 1904400 = 12241^2 + 1380^2 .

It is a cyclic number.

It is not a de Polignac number, because 151746481 - 2⁹ = 151745969 is a prime.

It is a super-2 number, since 2×151746481² = 46053988991766722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151746481.

It is not a weakly prime, because it can be changed into another prime (151746451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75873240 + 75873241.

It is an arithmetic number, because the mean of its divisors is an integer number (75873241).

Almost surely, 2^151746481 is an apocalyptic number.

It is an amenable number.

151746481 is a deficient number, since it is larger than the sum of its proper divisors (1).

151746481 is an equidigital number, since it uses as much as digits as its factorization.

151746481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 37.

The square root of 151746481 is about 12318.5421621229. The cubic root of 151746481 is about 533.3834582663.

The spelling of 151746481 in words is "one hundred fifty-one million, seven hundred forty-six thousand, four hundred eighty-one".