145501503 has 8 divisors (see below), whose sum is σ = 221716608. Its totient is φ = 83143704.

The previous prime is 145501469. The next prime is 145501523. The reversal of 145501503 is 305105541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145501503 - 2⁸ = 145501247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145501523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3464301 + ... + 3464342.

It is an arithmetic number, because the mean of its divisors is an integer number (27714576).

Almost surely, 2^145501503 is an apocalyptic number.

145501503 is a deficient number, since it is larger than the sum of its proper divisors (76215105).

145501503 is an equidigital number, since it uses as much as digits as its factorization.

145501503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928653.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 145501503 is about 12062.4003830084. The cubic root of 145501503 is about 525.9637661962.

The spelling of 145501503 in words is "one hundred forty-five million, five hundred one thousand, five hundred three".