145404003 has 16 divisors (see below), whose sum is σ = 199278080. Its totient is φ = 94270176.

The previous prime is 145404001. The next prime is 145404013. The reversal of 145404003 is 300404541.

It is not a de Polignac number, because 145404003 - 2¹ = 145404001 is a prime.

It is a super-2 number, since 2×145404003² = 42284648176848018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145404001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11301 + ... + 20457.

It is an arithmetic number, because the mean of its divisors is an integer number (12454880).

Almost surely, 2^145404003 is an apocalyptic number.

145404003 is a deficient number, since it is larger than the sum of its proper divisors (53874077).

145404003 is an equidigital number, since it uses as much as digits as its factorization.

145404003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9306.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 145404003 is about 12058.3582215822. The cubic root of 145404003 is about 525.8462578431.

Adding to 145404003 its reverse (300404541), we get a palindrome (445808544).

The spelling of 145404003 in words is "one hundred forty-five million, four hundred four thousand, three".