145400240303 has 4 divisors (see below), whose sum is σ = 145831695360. Its totient is φ = 144968785248.

The previous prime is 145400240299. The next prime is 145400240371. The reversal of 145400240303 is 303042004541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145400240303 - 2² = 145400240299 is a prime.

It is a super-2 number, since 2×145400240303² (a number of 23 digits) 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 (145400240393) 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, 215727023 + ... + 215727696.

It is an arithmetic number, because the mean of its divisors is an integer number (36457923840).

Almost surely, 2^145400240303 is an apocalyptic number.

145400240303 is a deficient number, since it is larger than the sum of its proper divisors (431455057).

145400240303 is an equidigital number, since it uses as much as digits as its factorization.

145400240303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431455056.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 145400240303 its reverse (303042004541), we get a palindrome (448442244844).

The spelling of 145400240303 in words is "one hundred forty-five billion, four hundred million, two hundred forty thousand, three hundred three".