145123455660 has 48 divisors (see below), whose sum is σ = 406526572032. Its totient is φ = 38682360000.

The previous prime is 145123455641. The next prime is 145123455679. The reversal of 145123455660 is 66554321541.

It is an interprime number because it is at equal distance from previous prime (145123455641) and next prime (145123455679).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402196 + ... + 672315.

It is an arithmetic number, because the mean of its divisors is an integer number (8469303584).

Almost surely, 2^145123455660 is an apocalyptic number.

145123455660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145123455660 is an abundant number, since it is smaller than the sum of its proper divisors (261403116372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145123455660 is a wasteful number, since it uses less digits than its factorization.

145123455660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076774 (or 1076772 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 145123455660 in words is "one hundred forty-five billion, one hundred twenty-three million, four hundred fifty-five thousand, six hundred sixty".