145311337 has 8 divisors (see below), whose sum is σ = 147825216. Its totient is φ = 142815792.

The previous prime is 145311323. The next prime is 145311347. The reversal of 145311337 is 733113541.

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 145311337 - 2¹⁵ = 145278569 is a prime.

It is a super-3 number, since 3×145311337³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145311307) 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, 11908 + ... + 20794.

It is an arithmetic number, because the mean of its divisors is an integer number (18478152).

Almost surely, 2^145311337 is an apocalyptic number.

It is an amenable number.

145311337 is a deficient number, since it is larger than the sum of its proper divisors (2513879).

145311337 is an equidigital number, since it uses as much as digits as its factorization.

145311337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9167.

The product of its digits is 3780, while the sum is 28.

The square root of 145311337 is about 12054.5152121518. The cubic root of 145311337 is about 525.7345267961.

Adding to 145311337 its reverse (733113541), we get a palindrome (878424878).

The spelling of 145311337 in words is "one hundred forty-five million, three hundred eleven thousand, three hundred thirty-seven".