145739748412 has 24 divisors (see below), whose sum is σ = 256421249280. Its totient is φ = 72476658240.

The previous prime is 145739748391. The next prime is 145739748421. The reversal of 145739748412 is 214847937541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6557014 + ... + 6579202.

It is an arithmetic number, because the mean of its divisors is an integer number (10684218720).

Almost surely, 2^145739748412 is an apocalyptic number.

It is an amenable number.

145739748412 is a deficient number, since it is larger than the sum of its proper divisors (110681500868).

145739748412 is a wasteful number, since it uses less digits than its factorization.

145739748412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30981 (or 30979 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 55.

The spelling of 145739748412 in words is "one hundred forty-five billion, seven hundred thirty-nine million, seven hundred forty-eight thousand, four hundred twelve".