145820435 has 16 divisors (see below), whose sum is σ = 181125120. Its totient is φ = 112583520.

The previous prime is 145820431. The next prime is 145820443. The reversal of 145820435 is 534028541.

145820435 = 1503² + 1504² + ... + 1564².

It is not a de Polignac number, because 145820435 - 2² = 145820431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145820431) 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 15 ways as a sum of consecutive naturals, for example, 66974 + ... + 69116.

It is an arithmetic number, because the mean of its divisors is an integer number (11320320).

Almost surely, 2^145820435 is an apocalyptic number.

145820435 is a deficient number, since it is larger than the sum of its proper divisors (35304685).

145820435 is a wasteful number, since it uses less digits than its factorization.

145820435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 145820435 is about 12075.6132349459. The cubic root of 145820435 is about 526.3477811545.

Adding to 145820435 its reverse (534028541), we get a palindrome (679848976).

The spelling of 145820435 in words is "one hundred forty-five million, eight hundred twenty thousand, four hundred thirty-five".