145400311 has 8 divisors (see below), whose sum is σ = 166961024. Its totient is φ = 124036920.

The previous prime is 145400231. The next prime is 145400317. The reversal of 145400311 is 113004541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145400311 - 2⁷ = 145400183 is a prime.

It is a super-2 number, since 2×145400311² = 42282500877793442, 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 (145400317) 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, 47745 + ... + 50698.

It is an arithmetic number, because the mean of its divisors is an integer number (20870128).

Almost surely, 2^145400311 is an apocalyptic number.

145400311 is a deficient number, since it is larger than the sum of its proper divisors (21560713).

145400311 is an equidigital number, since it uses as much as digits as its factorization.

145400311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98661.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 145400311 is about 12058.2051317765. The cubic root of 145400311 is about 525.8418071614.

Adding to 145400311 its reverse (113004541), we get a palindrome (258404852).

The spelling of 145400311 in words is "one hundred forty-five million, four hundred thousand, three hundred eleven".