145402433 has 16 divisors (see below), whose sum is σ = 165490560. Its totient is φ = 127592080.

The previous prime is 145402417. The next prime is 145402447. The reversal of 145402433 is 334204541.

It is not a de Polignac number, because 145402433 - 2⁴ = 145402417 is a prime.

It is a super-2 number, since 2×145402433² = 42283735044638978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145402483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36716 + ... + 40482.

It is an arithmetic number, because the mean of its divisors is an integer number (10343160).

Almost surely, 2^145402433 is an apocalyptic number.

It is an amenable number.

145402433 is a deficient number, since it is larger than the sum of its proper divisors (20088127).

145402433 is an equidigital number, since it uses as much as digits as its factorization.

145402433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829 (or 3807 counting only the distinct ones).

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

The square root of 145402433 is about 12058.2931213335. The cubic root of 145402433 is about 525.8443652276.

Adding to 145402433 its reverse (334204541), we get a palindrome (479606974).

The spelling of 145402433 in words is "one hundred forty-five million, four hundred two thousand, four hundred thirty-three".