145264039 has 2 divisors, whose sum is σ = 145264040. Its totient is φ = 145264038.

The previous prime is 145264037. The next prime is 145264073. The reversal of 145264039 is 930462541.

It is a happy number.

It is an a-pointer prime, because the next prime (145264073) can be obtained adding 145264039 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145264039 - 2¹ = 145264037 is a prime.

It is a super-2 number, since 2×145264039² = 42203282053187042, which contains 22 as substring.

Together with 145264037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 145263995 and 145264013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145264033) 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, 72632019 + 72632020.

It is an arithmetic number, because the mean of its divisors is an integer number (72632020).

Almost surely, 2^145264039 is an apocalyptic number.

145264039 is a deficient number, since it is larger than the sum of its proper divisors (1).

145264039 is an equidigital number, since it uses as much as digits as its factorization.

145264039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 145264039 is about 12052.5532149831. The cubic root of 145264039 is about 525.6774794233.

The spelling of 145264039 in words is "one hundred forty-five million, two hundred sixty-four thousand, thirty-nine".