145661326083 has 128 divisors (see below), whose sum is σ = 285183037440. Its totient is φ = 71292856320.

The previous prime is 145661325977. The next prime is 145661326087. The reversal of 145661326083 is 380623166541.

145661326083 is a `hidden beast` number, since 1 + 4 + 5 + 6 + 6 + 1 + 32 + 608 + 3 = 666.

It is not a de Polignac number, because 145661326083 - 2⁸ = 145661325827 is a prime.

It is a super-2 number, since 2×145661326083² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145661326087) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2941041 + ... + 2990157.

It is an arithmetic number, because the mean of its divisors is an integer number (2227992480).

Almost surely, 2^145661326083 is an apocalyptic number.

145661326083 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145661326083 is a deficient number, since it is larger than the sum of its proper divisors (139521711357).

145661326083 is a wasteful number, since it uses less digits than its factorization.

145661326083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49234 (or 49228 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 145661326083 in words is "one hundred forty-five billion, six hundred sixty-one million, three hundred twenty-six thousand, eighty-three".