145205199347 has 12 divisors (see below), whose sum is σ = 165509511480. Its totient is φ = 126981062208.

The previous prime is 145205199323. The next prime is 145205199371. The reversal of 145205199347 is 743991502541.

It is an interprime number because it is at equal distance from previous prime (145205199323) and next prime (145205199371).

It is not a de Polignac number, because 145205199347 - 2¹² = 145205195251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145205199295 and 145205199304.

It is not an unprimeable number, because it can be changed into a prime (145205199047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22607378 + ... + 22613799.

It is an arithmetic number, because the mean of its divisors is an integer number (13792459290).

Almost surely, 2^145205199347 is an apocalyptic number.

145205199347 is a deficient number, since it is larger than the sum of its proper divisors (20304312133).

145205199347 is a wasteful number, since it uses less digits than its factorization.

145205199347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45221222 (or 45221209 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 145205199347 in words is "one hundred forty-five billion, two hundred five million, one hundred ninety-nine thousand, three hundred forty-seven".