145403663 has 8 divisors (see below), whose sum is σ = 147605136. Its totient is φ = 143208000.

The previous prime is 145403647. The next prime is 145403707. The reversal of 145403663 is 366304541.

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

It is a cyclic number.

It is not a de Polignac number, because 145403663 - 2⁴ = 145403647 is a prime.

It is a super-2 number, since 2×145403663² = 42284450427635138, 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 (145403603) 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, 94208 + ... + 95738.

It is an arithmetic number, because the mean of its divisors is an integer number (18450642).

Almost surely, 2^145403663 is an apocalyptic number.

145403663 is a deficient number, since it is larger than the sum of its proper divisors (2201473).

145403663 is a wasteful number, since it uses less digits than its factorization.

145403663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 145403663 is about 12058.3441234690. The cubic root of 145403663 is about 525.8458479785.

The spelling of 145403663 in words is "one hundred forty-five million, four hundred three thousand, six hundred sixty-three".