145920003 has 4 divisors (see below), whose sum is σ = 194560008. Its totient is φ = 97280000.

The previous prime is 145919987. The next prime is 145920011. The reversal of 145920003 is 300029541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145920003 - 2⁴ = 145919987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145920013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24319998 + ... + 24320003.

It is an arithmetic number, because the mean of its divisors is an integer number (48640002).

Almost surely, 2^145920003 is an apocalyptic number.

145920003 is a deficient number, since it is larger than the sum of its proper divisors (48640005).

145920003 is an equidigital number, since it uses as much as digits as its factorization.

145920003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48640004.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 145920003 is about 12079.7352206081. The cubic root of 145920003 is about 526.4675528272.

Adding to 145920003 its reverse (300029541), we get a palindrome (445949544).

The spelling of 145920003 in words is "one hundred forty-five million, nine hundred twenty thousand, three".