145154039 has 2 divisors, whose sum is σ = 145154040. Its totient is φ = 145154038.

The previous prime is 145154029. The next prime is 145154083. The reversal of 145154039 is 930451541.

It is a weak prime.

It is an emirp because it is prime and its reverse (930451541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145154039 - 2¹² = 145149943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145153996 and 145154014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145154029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72577019 + 72577020.

It is an arithmetic number, because the mean of its divisors is an integer number (72577020).

Almost surely, 2^145154039 is an apocalyptic number.

145154039 is a deficient number, since it is larger than the sum of its proper divisors (1).

145154039 is an equidigital number, since it uses as much as digits as its factorization.

145154039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 145154039 is about 12047.9890023190. The cubic root of 145154039 is about 525.5447575994.

The spelling of 145154039 in words is "one hundred forty-five million, one hundred fifty-four thousand, thirty-nine".