145392311 has 8 divisors (see below), whose sum is σ = 147470400. Its totient is φ = 143320320.

The previous prime is 145392301. The next prime is 145392319. The reversal of 145392311 is 113293541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145392311 is a prime.

It is a super-2 number, since 2×145392311² = 42277848195841442, 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 (145392319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68555 + ... + 70643.

It is an arithmetic number, because the mean of its divisors is an integer number (18433800).

Almost surely, 2^145392311 is an apocalyptic number.

145392311 is a deficient number, since it is larger than the sum of its proper divisors (2078089).

145392311 is an equidigital number, since it uses as much as digits as its factorization.

145392311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049.

The product of its digits is 3240, while the sum is 29.

The square root of 145392311 is about 12057.8734028849. The cubic root of 145392311 is about 525.8321629555.

The spelling of 145392311 in words is "one hundred forty-five million, three hundred ninety-two thousand, three hundred eleven".