145452823142 has 32 divisors (see below), whose sum is σ = 243588812544. Its totient is φ = 64566784800.

The previous prime is 145452823027. The next prime is 145452823169. The reversal of 145452823142 is 241328254541.

It is a self number, because there is not a number n which added to its sum of digits gives 145452823142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9822488 + ... + 9837284.

It is an arithmetic number, because the mean of its divisors is an integer number (7612150392).

Almost surely, 2^145452823142 is an apocalyptic number.

145452823142 is a deficient number, since it is larger than the sum of its proper divisors (98135989402).

145452823142 is a wasteful number, since it uses less digits than its factorization.

145452823142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25244.

The product of its digits is 307200, while the sum is 41.

The spelling of 145452823142 in words is "one hundred forty-five billion, four hundred fifty-two million, eight hundred twenty-three thousand, one hundred forty-two".