151772473 has 2 divisors, whose sum is σ = 151772474. Its totient is φ = 151772472.

The previous prime is 151772461. The next prime is 151772503. The reversal of 151772473 is 374277151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142850304 + 8922169 = 11952^2 + 2987^2 .

It is a cyclic number.

It is not a de Polignac number, because 151772473 - 2¹⁷ = 151641401 is a prime.

It is not a weakly prime, because it can be changed into another prime (151773473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75886236 + 75886237.

It is an arithmetic number, because the mean of its divisors is an integer number (75886237).

Almost surely, 2^151772473 is an apocalyptic number.

It is an amenable number.

151772473 is a deficient number, since it is larger than the sum of its proper divisors (1).

151772473 is an equidigital number, since it uses as much as digits as its factorization.

151772473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41160, while the sum is 37.

The square root of 151772473 is about 12319.5971119189. The cubic root of 151772473 is about 533.4139101781.

The spelling of 151772473 in words is "one hundred fifty-one million, seven hundred seventy-two thousand, four hundred seventy-three".