145504005 has 16 divisors (see below), whose sum is σ = 232975680. Its totient is φ = 77545728.

The previous prime is 145503973. The next prime is 145504019. The reversal of 145504005 is 500405541.

It is not a de Polignac number, because 145504005 - 2⁵ = 145503973 is a prime.

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, 25506 + ... + 30684.

It is an arithmetic number, because the mean of its divisors is an integer number (14560980).

Almost surely, 2^145504005 is an apocalyptic number.

145504005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145504005 is a deficient number, since it is larger than the sum of its proper divisors (87471675).

145504005 is a wasteful number, since it uses less digits than its factorization.

145504005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7060.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 145504005 is about 12062.5040932636. The cubic root of 145504005 is about 525.9667809504.

Adding to 145504005 its reverse (500405541), we get a palindrome (645909546).

The spelling of 145504005 in words is "one hundred forty-five million, five hundred four thousand, five".