151387447 has 2 divisors, whose sum is σ = 151387448. Its totient is φ = 151387446.

The previous prime is 151387441. The next prime is 151387493. The reversal of 151387447 is 744783151.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151387447 - 2¹⁹ = 150863159 is a prime.

It is equal to p_8517964 and since 151387447 and 8517964 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 (151387441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75693723 + 75693724.

It is an arithmetic number, because the mean of its divisors is an integer number (75693724).

Almost surely, 2^151387447 is an apocalyptic number.

151387447 is a deficient number, since it is larger than the sum of its proper divisors (1).

151387447 is an equidigital number, since it uses as much as digits as its factorization.

151387447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 40.

The square root of 151387447 is about 12303.9606224988. The cubic root of 151387447 is about 532.9624621708.

The spelling of 151387447 in words is "one hundred fifty-one million, three hundred eighty-seven thousand, four hundred forty-seven".