145432005 has 16 divisors (see below), whose sum is σ = 240198144. Its totient is φ = 75061440.

The previous prime is 145431971. The next prime is 145432031. The reversal of 145432005 is 500234541.

145432005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145432005 - 2⁸ = 145431749 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155914 + ... + 156843.

It is an arithmetic number, because the mean of its divisors is an integer number (15012384).

Almost surely, 2^145432005 is an apocalyptic number.

145432005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145432005 is a deficient number, since it is larger than the sum of its proper divisors (94766139).

145432005 is a wasteful number, since it uses less digits than its factorization.

145432005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312796.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 145432005 is about 12059.5192690256. The cubic root of 145432005 is about 525.8800116176.

Adding to 145432005 its reverse (500234541), we get a palindrome (645666546).

The spelling of 145432005 in words is "one hundred forty-five million, four hundred thirty-two thousand, five".