145440003 has 32 divisors (see below), whose sum is σ = 214824960. Its totient is φ = 87160320.

The previous prime is 145439969. The next prime is 145440013. The reversal of 145440003 is 300044541.

It is not a de Polignac number, because 145440003 - 2⁶ = 145439939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145440013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92875 + ... + 94427.

It is an arithmetic number, because the mean of its divisors is an integer number (6713280).

Almost surely, 2^145440003 is an apocalyptic number.

145440003 is a deficient number, since it is larger than the sum of its proper divisors (69384957).

145440003 is a wasteful number, since it uses less digits than its factorization.

145440003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659.

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

The square root of 145440003 is about 12059.8508697247. The cubic root of 145440003 is about 525.8896516580.

Adding to 145440003 its reverse (300044541), we get a palindrome (445484544).

The spelling of 145440003 in words is "one hundred forty-five million, four hundred forty thousand, three".