145748503 has 2 divisors, whose sum is σ = 145748504. Its totient is φ = 145748502.

The previous prime is 145748501. The next prime is 145748527. The reversal of 145748503 is 305847541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145748503 - 2¹ = 145748501 is a prime.

It is a super-2 number, since 2×145748503² = 42485252253482018, which contains 22 as substring.

Together with 145748501, 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 (145748501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72874251 + 72874252.

It is an arithmetic number, because the mean of its divisors is an integer number (72874252).

Almost surely, 2^145748503 is an apocalyptic number.

145748503 is a deficient number, since it is larger than the sum of its proper divisors (1).

145748503 is an equidigital number, since it uses as much as digits as its factorization.

145748503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 145748503 is about 12072.6344680852. The cubic root of 145748503 is about 526.2612192680.

The spelling of 145748503 in words is "one hundred forty-five million, seven hundred forty-eight thousand, five hundred three".