145404311 has 8 divisors (see below), whose sum is σ = 156750720. Its totient is φ = 134080992.

The previous prime is 145404307. The next prime is 145404331. The reversal of 145404311 is 113404541.

145404311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145404311 - 2² = 145404307 is a prime.

It is a super-2 number, since 2×145404311² = 42284827314769442, 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 (145404331) 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, 8666 + ... + 19128.

It is an arithmetic number, because the mean of its divisors is an integer number (19593840).

Almost surely, 2^145404311 is an apocalyptic number.

145404311 is a deficient number, since it is larger than the sum of its proper divisors (11346409).

145404311 is a wasteful number, since it uses less digits than its factorization.

145404311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11545.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 145404311 is about 12058.3709928000. The cubic root of 145404311 is about 525.8466291317.

Adding to 145404311 its reverse (113404541), we get a palindrome (258808852).

The spelling of 145404311 in words is "one hundred forty-five million, four hundred four thousand, three hundred eleven".