145546503 has 8 divisors (see below), whose sum is σ = 205477488. Its totient is φ = 91323264.

The previous prime is 145546487. The next prime is 145546543. The reversal of 145546503 is 305645541.

145546503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 145546503 - 2⁴ = 145546487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145546543) 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, 1426876 + ... + 1426977.

It is an arithmetic number, because the mean of its divisors is an integer number (25684686).

Almost surely, 2^145546503 is an apocalyptic number.

145546503 is a deficient number, since it is larger than the sum of its proper divisors (59930985).

145546503 is a wasteful number, since it uses less digits than its factorization.

145546503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853873.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 145546503 is about 12064.2655391864. The cubic root of 145546503 is about 526.0179831158.

The spelling of 145546503 in words is "one hundred forty-five million, five hundred forty-six thousand, five hundred three".