146552503 has 4 divisors (see below), whose sum is σ = 146579680. Its totient is φ = 146525328.

The previous prime is 146552479. The next prime is 146552507. The reversal of 146552503 is 305255641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305255641 = 103 ⋅2963647.

It is a cyclic number.

It is not a de Polignac number, because 146552503 - 2⁹ = 146551991 is a prime.

It is a super-2 number, since 2×146552503² = 42955272271130018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146552507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2463 + ... + 17296.

It is an arithmetic number, because the mean of its divisors is an integer number (36644920).

Almost surely, 2^146552503 is an apocalyptic number.

146552503 is a deficient number, since it is larger than the sum of its proper divisors (27177).

146552503 is an equidigital number, since it uses as much as digits as its factorization.

146552503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27176.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 146552503 is about 12105.8871215620. The cubic root of 146552503 is about 527.2271259999.

The spelling of 146552503 in words is "one hundred forty-six million, five hundred fifty-two thousand, five hundred three".