145315087 has 2 divisors, whose sum is σ = 145315088. Its totient is φ = 145315086.

The previous prime is 145315057. The next prime is 145315141. The reversal of 145315087 is 780513541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145315087 - 2⁷ = 145314959 is a prime.

It is a super-2 number, since 2×145315087² = 42232949019635138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145315057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72657543 + 72657544.

It is an arithmetic number, because the mean of its divisors is an integer number (72657544).

Almost surely, 2^145315087 is an apocalyptic number.

145315087 is a deficient number, since it is larger than the sum of its proper divisors (1).

145315087 is an equidigital number, since it uses as much as digits as its factorization.

145315087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 145315087 is about 12054.6707545250. The cubic root of 145315087 is about 525.7390492410.

The spelling of 145315087 in words is "one hundred forty-five million, three hundred fifteen thousand, eighty-seven".