145468311 has 4 divisors (see below), whose sum is σ = 193957752. Its totient is φ = 96978872.

The previous prime is 145468291. The next prime is 145468331. The reversal of 145468311 is 113864541.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (145468291) and next prime (145468331).

It is a cyclic number.

It is not a de Polignac number, because 145468311 - 2⁶ = 145468247 is a prime.

It is a super-2 number, since 2×145468311² = 42322059010385442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145468331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24244716 + ... + 24244721.

It is an arithmetic number, because the mean of its divisors is an integer number (48489438).

Almost surely, 2^145468311 is an apocalyptic number.

145468311 is a deficient number, since it is larger than the sum of its proper divisors (48489441).

145468311 is an equidigital number, since it uses as much as digits as its factorization.

145468311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48489440.

The product of its digits is 11520, while the sum is 33.

The square root of 145468311 is about 12061.0244589753. The cubic root of 145468311 is about 525.9237686323.

The spelling of 145468311 in words is "one hundred forty-five million, four hundred sixty-eight thousand, three hundred eleven".