145557247303 has 6 divisors (see below), whose sum is σ = 157615244304. Its totient is φ = 134360535816.

The previous prime is 145557247291. The next prime is 145557247369. The reversal of 145557247303 is 303742755541.

It is not a de Polignac number, because 145557247303 - 2⁵ = 145557247271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145557248303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 430642575 + ... + 430642912.

It is an arithmetic number, because the mean of its divisors is an integer number (26269207384).

Almost surely, 2^145557247303 is an apocalyptic number.

145557247303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145557247303 is a deficient number, since it is larger than the sum of its proper divisors (12057997001).

145557247303 is an equidigital number, since it uses as much as digits as its factorization.

145557247303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861285513 (or 861285500 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 46.

The spelling of 145557247303 in words is "one hundred forty-five billion, five hundred fifty-seven million, two hundred forty-seven thousand, three hundred three".