145783994951 has 16 divisors (see below), whose sum is σ = 168351333696. Its totient is φ = 123652279296.

The previous prime is 145783994897. The next prime is 145783994957. The reversal of 145783994951 is 159499387541.

It is a de Polignac number, because none of the positive numbers 2^k-145783994951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145783994957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8164205 + ... + 8182041.

It is an arithmetic number, because the mean of its divisors is an integer number (10521958356).

Almost surely, 2^145783994951 is an apocalyptic number.

145783994951 is a deficient number, since it is larger than the sum of its proper divisors (22567338745).

145783994951 is a wasteful number, since it uses less digits than its factorization.

145783994951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29978.

The product of its digits is 48988800, while the sum is 65.

The spelling of 145783994951 in words is "one hundred forty-five billion, seven hundred eighty-three million, nine hundred ninety-four thousand, nine hundred fifty-one".