145379311 has 8 divisors (see below), whose sum is σ = 181252224. Its totient is φ = 113282520.

The previous prime is 145379303. The next prime is 145379321. The reversal of 145379311 is 113973541.

It is a happy number.

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 145379311 - 2³ = 145379303 is a prime.

It is a super-2 number, since 2×145379311² = 42270288133669442, 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 (145379321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943945 + ... + 944098.

It is an arithmetic number, because the mean of its divisors is an integer number (22656528).

Almost surely, 2^145379311 is an apocalyptic number.

145379311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145379311 is a deficient number, since it is larger than the sum of its proper divisors (35872913).

145379311 is a wasteful number, since it uses less digits than its factorization.

145379311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888061.

The product of its digits is 11340, while the sum is 34.

The square root of 145379311 is about 12057.3343239706. The cubic root of 145379311 is about 525.8164903663.

It can be divided in two parts, 145 and 379311, that added together give a square (379456 = 616²).

The spelling of 145379311 in words is "one hundred forty-five million, three hundred seventy-nine thousand, three hundred eleven".