145639416248 has 32 divisors (see below), whose sum is σ = 278915227200. Its totient is φ = 71262369792.

The previous prime is 145639416229. The next prime is 145639416283. The reversal of 145639416248 is 842614936541.

It is a self number, because there is not a number n which added to its sum of digits gives 145639416248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4710536 + ... + 4741352.

It is an arithmetic number, because the mean of its divisors is an integer number (8716100850).

Almost surely, 2^145639416248 is an apocalyptic number.

It is an amenable number.

145639416248 is a deficient number, since it is larger than the sum of its proper divisors (133275810952).

145639416248 is a wasteful number, since it uses less digits than its factorization.

145639416248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43439 (or 43435 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The spelling of 145639416248 in words is "one hundred forty-five billion, six hundred thirty-nine million, four hundred sixteen thousand, two hundred forty-eight".