151397473 has 2 divisors, whose sum is σ = 151397474. Its totient is φ = 151397472.

The previous prime is 151397447. The next prime is 151397479. The reversal of 151397473 is 374793151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128663649 + 22733824 = 11343^2 + 4768^2 .

It is a cyclic number.

It is not a de Polignac number, because 151397473 - 2¹³ = 151389281 is a prime.

It is not a weakly prime, because it can be changed into another prime (151397479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75698736 + 75698737.

It is an arithmetic number, because the mean of its divisors is an integer number (75698737).

Almost surely, 2^151397473 is an apocalyptic number.

It is an amenable number.

151397473 is a deficient number, since it is larger than the sum of its proper divisors (1).

151397473 is an equidigital number, since it uses as much as digits as its factorization.

151397473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 40.

The square root of 151397473 is about 12304.3680455357. The cubic root of 151397473 is about 532.9742274873.

The spelling of 151397473 in words is "one hundred fifty-one million, three hundred ninety-seven thousand, four hundred seventy-three".