144730661945 has 16 divisors (see below), whose sum is σ = 180056362752. Its totient is φ = 111599533440.

The previous prime is 144730661941. The next prime is 144730661969. The reversal of 144730661945 is 549166037441.

It is not a de Polignac number, because 144730661945 - 2² = 144730661941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144730661893 and 144730661902.

It is not an unprimeable number, because it can be changed into a prime (144730661941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4236017 + ... + 4270046.

It is an arithmetic number, because the mean of its divisors is an integer number (11253522672).

Almost surely, 2^144730661945 is an apocalyptic number.

It is an amenable number.

144730661945 is a deficient number, since it is larger than the sum of its proper divisors (35325700807).

144730661945 is an equidigital number, since it uses as much as digits as its factorization.

144730661945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8506192.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 144730661945 in words is "one hundred forty-four billion, seven hundred thirty million, six hundred sixty-one thousand, nine hundred forty-five".