145263333 has 8 divisors (see below), whose sum is σ = 194767200. Its totient is φ = 96300848.

The previous prime is 145263329. The next prime is 145263347. The reversal of 145263333 is 333362541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145263333 - 2² = 145263329 is a prime.

It is a super-2 number, since 2×145263333² = 42202871828537778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145263333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145263353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134718 + ... + 135791.

It is an arithmetic number, because the mean of its divisors is an integer number (24345900).

Almost surely, 2^145263333 is an apocalyptic number.

It is an amenable number.

145263333 is a deficient number, since it is larger than the sum of its proper divisors (49503867).

145263333 is a wasteful number, since it uses less digits than its factorization.

145263333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270691.

The product of its digits is 19440, while the sum is 30.

The square root of 145263333 is about 12052.5239265475. The cubic root of 145263333 is about 525.6766278041.

The spelling of 145263333 in words is "one hundred forty-five million, two hundred sixty-three thousand, three hundred thirty-three".