145215466503 has 8 divisors (see below), whose sum is σ = 193770604416. Its totient is φ = 96735319800.

The previous prime is 145215466493. The next prime is 145215466511. The reversal of 145215466503 is 305664512541.

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

It is a de Polignac number, because none of the positive numbers 2^k-145215466503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145215466003) 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, 18743283 + ... + 18751028.

It is an arithmetic number, because the mean of its divisors is an integer number (24221325552).

Almost surely, 2^145215466503 is an apocalyptic number.

145215466503 is a deficient number, since it is larger than the sum of its proper divisors (48555137913).

145215466503 is a wasteful number, since it uses less digits than its factorization.

145215466503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37495605.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 145215466503 in words is "one hundred forty-five billion, two hundred fifteen million, four hundred sixty-six thousand, five hundred three".