145742333 has 4 divisors (see below), whose sum is σ = 158991648. Its totient is φ = 132493020.

The previous prime is 145742321. The next prime is 145742341. The reversal of 145742333 is 333247541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 145742333 - 2²⁶ = 78633469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145742333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145742033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6624641 + ... + 6624662.

It is an arithmetic number, because the mean of its divisors is an integer number (39747912).

Almost surely, 2^145742333 is an apocalyptic number.

It is an amenable number.

145742333 is a deficient number, since it is larger than the sum of its proper divisors (13249315).

145742333 is a wasteful number, since it uses less digits than its factorization.

145742333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13249314.

The product of its digits is 30240, while the sum is 32.

The square root of 145742333 is about 12072.3789287779. The cubic root of 145742333 is about 526.2537930567.

Adding to 145742333 its reverse (333247541), we get a palindrome (478989874).

The spelling of 145742333 in words is "one hundred forty-five million, seven hundred forty-two thousand, three hundred thirty-three".