145863311 has 16 divisors (see below), whose sum is σ = 161215488. Its totient is φ = 130874400.

The previous prime is 145863307. The next prime is 145863317. The reversal of 145863311 is 113368541.

145863311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145863311 - 2² = 145863307 is a prime.

It is a super-2 number, since 2×145863311² = 42552210991765442, 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 (145863317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497681 + ... + 497973.

It is an arithmetic number, because the mean of its divisors is an integer number (10075968).

Almost surely, 2^145863311 is an apocalyptic number.

145863311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145863311 is a deficient number, since it is larger than the sum of its proper divisors (15352177).

145863311 is a wasteful number, since it uses less digits than its factorization.

145863311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its digits is 8640, while the sum is 32.

The square root of 145863311 is about 12077.3884180314. The cubic root of 145863311 is about 526.3993639475.

The spelling of 145863311 in words is "one hundred forty-five million, eight hundred sixty-three thousand, three hundred eleven".