145112503 has 2 divisors, whose sum is σ = 145112504. Its totient is φ = 145112502.

The previous prime is 145112501. The next prime is 145112521. The reversal of 145112503 is 305211541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145112503 - 2¹ = 145112501 is a prime.

Together with 145112501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145112501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72556251 + 72556252.

It is an arithmetic number, because the mean of its divisors is an integer number (72556252).

Almost surely, 2^145112503 is an apocalyptic number.

145112503 is a deficient number, since it is larger than the sum of its proper divisors (1).

145112503 is an equidigital number, since it uses as much as digits as its factorization.

145112503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 145112503 is about 12046.2651058326. The cubic root of 145112503 is about 525.4946243991.

The spelling of 145112503 in words is "one hundred forty-five million, one hundred twelve thousand, five hundred three".