145230621043 has 8 divisors (see below), whose sum is σ = 152884061120. Its totient is φ = 137578153320.

The previous prime is 145230621031. The next prime is 145230621083. The reversal of 145230621043 is 340126032541.

145230621043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145230621043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145230620996 and 145230621014.

It is not an unprimeable number, because it can be changed into a prime (145230621023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74128 + ... + 544018.

It is an arithmetic number, because the mean of its divisors is an integer number (19110507640).

Almost surely, 2^145230621043 is an apocalyptic number.

145230621043 is a deficient number, since it is larger than the sum of its proper divisors (7653440077).

145230621043 is a wasteful number, since it uses less digits than its factorization.

145230621043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486177.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 145230621043 its reverse (340126032541), we get a palindrome (485356653584).

The spelling of 145230621043 in words is "one hundred forty-five billion, two hundred thirty million, six hundred twenty-one thousand, forty-three".