145555424523 has 16 divisors (see below), whose sum is σ = 226987017600. Its totient is φ = 91929741480.

The previous prime is 145555424477. The next prime is 145555424533. The reversal of 145555424523 is 325424555541.

145555424523 is a `hidden beast` number, since 1 + 4 + 5 + 55 + 54 + 24 + 523 = 666.

It is not a de Polignac number, because 145555424523 - 2⁶ = 145555424459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145555424533) 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, 141866373 + ... + 141867398.

It is an arithmetic number, because the mean of its divisors is an integer number (14186688600).

Almost surely, 2^145555424523 is an apocalyptic number.

145555424523 is a deficient number, since it is larger than the sum of its proper divisors (81431593077).

145555424523 is a wasteful number, since it uses less digits than its factorization.

145555424523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283733799 (or 283733793 counting only the distinct ones).

The product of its digits is 2400000, while the sum is 45.

The spelling of 145555424523 in words is "one hundred forty-five billion, five hundred fifty-five million, four hundred twenty-four thousand, five hundred twenty-three".