145458245 has 8 divisors (see below), whose sum is σ = 175172760. Its totient is φ = 115951360.

The previous prime is 145458241. The next prime is 145458251. The reversal of 145458245 is 542854541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1865956 + 143592289 = 1366^2 + 11983^2 .

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

It is not a de Polignac number, because 145458245 - 2² = 145458241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145458199 and 145458208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145458241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50360 + ... + 53169.

It is an arithmetic number, because the mean of its divisors is an integer number (21896595).

Almost surely, 2^145458245 is an apocalyptic number.

It is an amenable number.

145458245 is a deficient number, since it is larger than the sum of its proper divisors (29714515).

145458245 is a wasteful number, since it uses less digits than its factorization.

145458245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103815.

The product of its digits is 128000, while the sum is 38.

The square root of 145458245 is about 12060.6071571874. The cubic root of 145458245 is about 525.9116375349.

The spelling of 145458245 in words is "one hundred forty-five million, four hundred fifty-eight thousand, two hundred forty-five".