145136087 has 2 divisors, whose sum is σ = 145136088. Its totient is φ = 145136086.

The previous prime is 145136081. The next prime is 145136111. The reversal of 145136087 is 780631541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145136087 - 2⁴ = 145136071 is a prime.

It is equal to p_8185832 and since 145136087 and 8185832 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 (145136081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72568043 + 72568044.

It is an arithmetic number, because the mean of its divisors is an integer number (72568044).

Almost surely, 2^145136087 is an apocalyptic number.

145136087 is a deficient number, since it is larger than the sum of its proper divisors (1).

145136087 is an equidigital number, since it uses as much as digits as its factorization.

145136087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 145136087 is about 12047.2439586820. The cubic root of 145136087 is about 525.5230910340.

The spelling of 145136087 in words is "one hundred forty-five million, one hundred thirty-six thousand, eighty-seven".