145092433 has 4 divisors (see below), whose sum is σ = 153627300. Its totient is φ = 136557568.

The previous prime is 145092403. The next prime is 145092443. The reversal of 145092433 is 334290541.

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

It can be written as a sum of positive squares in 2 ways, for example, as 68757264 + 76335169 = 8292^2 + 8737^2 .

It is a cyclic number.

It is not a de Polignac number, because 145092433 - 2⁵ = 145092401 is a prime.

It is a super-2 number, since 2×145092433² = 42103628227718978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145092395 and 145092404.

It is not an unprimeable number, because it can be changed into a prime (145092403) 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, 4267408 + ... + 4267441.

It is an arithmetic number, because the mean of its divisors is an integer number (38406825).

Almost surely, 2^145092433 is an apocalyptic number.

It is an amenable number.

145092433 is a deficient number, since it is larger than the sum of its proper divisors (8534867).

145092433 is an equidigital number, since it uses as much as digits as its factorization.

145092433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8534866.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 145092433 is about 12045.4320387440. The cubic root of 145092433 is about 525.4703968443.

The spelling of 145092433 in words is "one hundred forty-five million, ninety-two thousand, four hundred thirty-three".