151397447 has 2 divisors, whose sum is σ = 151397448. Its totient is φ = 151397446.

The previous prime is 151397443. The next prime is 151397473. The reversal of 151397447 is 744793151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151397447 - 2² = 151397443 is a prime.

It is equal to p_8518496 and since 151397447 and 8518496 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151397443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75698723 + 75698724.

It is an arithmetic number, because the mean of its divisors is an integer number (75698724).

Almost surely, 2^151397447 is an apocalyptic number.

151397447 is a deficient number, since it is larger than the sum of its proper divisors (1).

151397447 is an equidigital number, since it uses as much as digits as its factorization.

151397447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 151397447 is about 12304.3669890003. The cubic root of 151397447 is about 532.9741969775.

The spelling of 151397447 in words is "one hundred fifty-one million, three hundred ninety-seven thousand, four hundred forty-seven".