145907918207 has 4 divisors (see below), whose sum is σ = 146648567736. Its totient is φ = 145167268680.

The previous prime is 145907918089. The next prime is 145907918249. The reversal of 145907918207 is 702819709541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702819709541 = 89 ⋅7896850669.

It is a cyclic number.

It is not a de Polignac number, because 145907918207 - 2²⁰ = 145906869631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145907918707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370324469 + ... + 370324862.

It is an arithmetic number, because the mean of its divisors is an integer number (36662141934).

Almost surely, 2^145907918207 is an apocalyptic number.

145907918207 is a deficient number, since it is larger than the sum of its proper divisors (740649529).

145907918207 is an equidigital number, since it uses as much as digits as its factorization.

145907918207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740649528.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The spelling of 145907918207 in words is "one hundred forty-five billion, nine hundred seven million, nine hundred eighteen thousand, two hundred seven".