145071833 has 8 divisors (see below), whose sum is σ = 156600000. Its totient is φ = 133978768.

The previous prime is 145071827. The next prime is 145071853. The reversal of 145071833 is 338170541.

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 145071833 - 2⁶ = 145071769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145071833.

It is not an unprimeable number, because it can be changed into a prime (145071853) 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, 108083 + ... + 109416.

It is an arithmetic number, because the mean of its divisors is an integer number (19575000).

Almost surely, 2^145071833 is an apocalyptic number.

It is an amenable number.

145071833 is a deficient number, since it is larger than the sum of its proper divisors (11528167).

145071833 is a wasteful number, since it uses less digits than its factorization.

145071833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217551.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 145071833 is about 12044.5769124532. The cubic root of 145071833 is about 525.4455271749.

The spelling of 145071833 in words is "one hundred forty-five million, seventy-one thousand, eight hundred thirty-three".