145404111 has 8 divisors (see below), whose sum is σ = 205276464. Its totient is φ = 91233920.

The previous prime is 145404107. The next prime is 145404121. The reversal of 145404111 is 111404541.

145404111 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 145404111 - 2² = 145404107 is a prime.

It is a super-2 number, since 2×145404111² = 42284710991400642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145404121) 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, 1425480 + ... + 1425581.

It is an arithmetic number, because the mean of its divisors is an integer number (25659558).

Almost surely, 2^145404111 is an apocalyptic number.

145404111 is a deficient number, since it is larger than the sum of its proper divisors (59872353).

145404111 is a wasteful number, since it uses less digits than its factorization.

145404111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851081.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 145404111 is about 12058.3626998030. The cubic root of 145404111 is about 525.8463880353.

Adding to 145404111 its reverse (111404541), we get a palindrome (256808652).

The spelling of 145404111 in words is "one hundred forty-five million, four hundred four thousand, one hundred eleven".