145465044659 has 4 divisors (see below), whose sum is σ = 158689139640. Its totient is φ = 132240949680.

The previous prime is 145465044577. The next prime is 145465044671. The reversal of 145465044659 is 956440564541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145465044659 - 2²⁴ = 145448267443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145465044659.

It is not an unprimeable number, because it can be changed into a prime (145465044359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6612047474 + ... + 6612047495.

It is an arithmetic number, because the mean of its divisors is an integer number (39672284910).

Almost surely, 2^145465044659 is an apocalyptic number.

145465044659 is a deficient number, since it is larger than the sum of its proper divisors (13224094981).

145465044659 is a wasteful number, since it uses less digits than its factorization.

145465044659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13224094980.

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 145465044659 in words is "one hundred forty-five billion, four hundred sixty-five million, forty-four thousand, six hundred fifty-nine".