145930951505 has 32 divisors (see below), whose sum is σ = 186757401600. Its totient is φ = 109149066432.

The previous prime is 145930951483. The next prime is 145930951513. The reversal of 145930951505 is 505159039541.

145930951505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145930951505 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145930951505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7615226 + ... + 7634364.

It is an arithmetic number, because the mean of its divisors is an integer number (5836168800).

Almost surely, 2^145930951505 is an apocalyptic number.

It is an amenable number.

145930951505 is a deficient number, since it is larger than the sum of its proper divisors (40826450095).

145930951505 is a wasteful number, since it uses less digits than its factorization.

145930951505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20213.

The product of its (nonzero) digits is 607500, while the sum is 47.

The spelling of 145930951505 in words is "one hundred forty-five billion, nine hundred thirty million, nine hundred fifty-one thousand, five hundred five".