145489523954 has 8 divisors (see below), whose sum is σ = 229720301040. Its totient is φ = 68916090276.

The previous prime is 145489523941. The next prime is 145489523969. The reversal of 145489523954 is 459325984541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145489523893 and 145489523902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1914335804 + ... + 1914335879.

It is an arithmetic number, because the mean of its divisors is an integer number (28715037630).

Almost surely, 2^145489523954 is an apocalyptic number.

145489523954 is a deficient number, since it is larger than the sum of its proper divisors (84230777086).

145489523954 is a wasteful number, since it uses less digits than its factorization.

145489523954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828671704.

The product of its digits is 31104000, while the sum is 59.

The spelling of 145489523954 in words is "one hundred forty-five billion, four hundred eighty-nine million, five hundred twenty-three thousand, nine hundred fifty-four".