145552057203 has 16 divisors (see below), whose sum is σ = 226320012800. Its totient is φ = 83172603528.

The previous prime is 145552057193. The next prime is 145552057213. The reversal of 145552057203 is 302750255541.

It is an interprime number because it is at equal distance from previous prime (145552057193) and next prime (145552057213).

It is not a de Polignac number, because 145552057203 - 2¹⁰ = 145552056179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145552057213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70723975 + ... + 70726032.

It is an arithmetic number, because the mean of its divisors is an integer number (14145000800).

Almost surely, 2^145552057203 is an apocalyptic number.

145552057203 is a deficient number, since it is larger than the sum of its proper divisors (80767955597).

145552057203 is an equidigital number, since it uses as much as digits as its factorization.

145552057203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141450031 (or 141450017 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 39.

The spelling of 145552057203 in words is "one hundred forty-five billion, five hundred fifty-two million, fifty-seven thousand, two hundred three".