145287007 has 2 divisors, whose sum is σ = 145287008. Its totient is φ = 145287006.

The previous prime is 145287001. The next prime is 145287031. The reversal of 145287007 is 700782541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145287007 - 2¹⁹ = 144762719 is a prime.

It is a super-2 number, since 2×145287007² = 42216628806036098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145287001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72643503 + 72643504.

It is an arithmetic number, because the mean of its divisors is an integer number (72643504).

Almost surely, 2^145287007 is an apocalyptic number.

145287007 is a deficient number, since it is larger than the sum of its proper divisors (1).

145287007 is an equidigital number, since it uses as much as digits as its factorization.

145287007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 145287007 is about 12053.5060044785. The cubic root of 145287007 is about 525.7051832839.

The spelling of 145287007 in words is "one hundred forty-five million, two hundred eighty-seven thousand, seven".