145034351021 has 16 divisors (see below), whose sum is σ = 175605978240. Its totient is φ = 116934351360.

The previous prime is 145034350991. The next prime is 145034351029. The reversal of 145034351021 is 120153430541.

It is a cyclic number.

It is not a de Polignac number, because 145034351021 - 2⁶ = 145034350957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145034351029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149291 + ... + 558888.

It is an arithmetic number, because the mean of its divisors is an integer number (10975373640).

Almost surely, 2^145034351021 is an apocalyptic number.

It is an amenable number.

145034351021 is a deficient number, since it is larger than the sum of its proper divisors (30571627219).

145034351021 is a wasteful number, since it uses less digits than its factorization.

145034351021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709924.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 145034351021 its reverse (120153430541), we get a palindrome (265187781562).

The spelling of 145034351021 in words is "one hundred forty-five billion, thirty-four million, three hundred fifty-one thousand, twenty-one".