151091873 has 2 divisors, whose sum is σ = 151091874. Its totient is φ = 151091872.

The previous prime is 151091867. The next prime is 151091909. The reversal of 151091873 is 378190151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115175824 + 35916049 = 10732^2 + 5993^2 .

It is a cyclic number.

It is not a de Polignac number, because 151091873 - 2⁸ = 151091617 is a prime.

It is not a weakly prime, because it can be changed into another prime (151091803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75545936 + 75545937.

It is an arithmetic number, because the mean of its divisors is an integer number (75545937).

Almost surely, 2^151091873 is an apocalyptic number.

It is an amenable number.

151091873 is a deficient number, since it is larger than the sum of its proper divisors (1).

151091873 is an equidigital number, since it uses as much as digits as its factorization.

151091873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 151091873 is about 12291.9434183533. The cubic root of 151091873 is about 532.6153781743.

The spelling of 151091873 in words is "one hundred fifty-one million, ninety-one thousand, eight hundred seventy-three".