145837319 has 8 divisors (see below), whose sum is σ = 152305152. Its totient is φ = 139380120.

The previous prime is 145837303. The next prime is 145837343. The reversal of 145837319 is 913738541.

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 145837319 - 2⁴ = 145837303 is a prime.

It is a super-3 number, since 3×145837319³ (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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145837379) 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, 40382 + ... + 43844.

It is an arithmetic number, because the mean of its divisors is an integer number (19038144).

Almost surely, 2^145837319 is an apocalyptic number.

145837319 is a deficient number, since it is larger than the sum of its proper divisors (6467833).

145837319 is a wasteful number, since it uses less digits than its factorization.

145837319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317.

The product of its digits is 90720, while the sum is 41.

The square root of 145837319 is about 12076.3123096415. The cubic root of 145837319 is about 526.3680949808.

The spelling of 145837319 in words is "one hundred forty-five million, eight hundred thirty-seven thousand, three hundred nineteen".