145339069 has 8 divisors (see below), whose sum is σ = 154061568. Its totient is φ = 136635840.

The previous prime is 145339057. The next prime is 145339079. The reversal of 145339069 is 960933541.

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 145339069 - 2¹³ = 145330877 is a prime.

It is a super-2 number, since 2×145339069² = 42246889955573522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145339049) 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, 12534 + ... + 21160.

It is an arithmetic number, because the mean of its divisors is an integer number (19257696).

Almost surely, 2^145339069 is an apocalyptic number.

It is an amenable number.

145339069 is a deficient number, since it is larger than the sum of its proper divisors (8722499).

145339069 is an equidigital number, since it uses as much as digits as its factorization.

145339069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 145339069 is about 12055.6654316549. The cubic root of 145339069 is about 525.7679693405.

The spelling of 145339069 in words is "one hundred forty-five million, three hundred thirty-nine thousand, sixty-nine".