145211320503 has 6 divisors (see below), whose sum is σ = 209749685184. Its totient is φ = 96807546996.

The previous prime is 145211320489. The next prime is 145211320517. The reversal of 145211320503 is 305023112541.

145211320503 is a `hidden beast` number, since 1 + 4 + 5 + 21 + 132 + 0 + 503 = 666.

It is an interprime number because it is at equal distance from previous prime (145211320489) and next prime (145211320517).

It is not a de Polignac number, because 145211320503 - 2¹⁰ = 145211319479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145211328503) 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, 8067295575 + ... + 8067295592.

It is an arithmetic number, because the mean of its divisors is an integer number (34958280864).

Almost surely, 2^145211320503 is an apocalyptic number.

145211320503 is a deficient number, since it is larger than the sum of its proper divisors (64538364681).

145211320503 is a wasteful number, since it uses less digits than its factorization.

145211320503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16134591173 (or 16134591170 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 145211320503 in words is "one hundred forty-five billion, two hundred eleven million, three hundred twenty thousand, five hundred three".