145630306641 has 4 divisors (see below), whose sum is σ = 194173742192. Its totient is φ = 97086871092.

The previous prime is 145630306607. The next prime is 145630306669. The reversal of 145630306641 is 146603036541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 145630306641 - 2¹⁴ = 145630290257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145630306641.

It is not an unprimeable number, because it can be changed into a prime (145630306841) 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, 24271717771 + ... + 24271717776.

It is an arithmetic number, because the mean of its divisors is an integer number (48543435548).

Almost surely, 2^145630306641 is an apocalyptic number.

It is an amenable number.

145630306641 is a deficient number, since it is larger than the sum of its proper divisors (48543435551).

145630306641 is an equidigital number, since it uses as much as digits as its factorization.

145630306641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48543435550.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 145630306641 in words is "one hundred forty-five billion, six hundred thirty million, three hundred six thousand, six hundred forty-one".