153030321532 has 24 divisors (see below), whose sum is σ = 300044712240. Its totient is φ = 67679256960.

The previous prime is 153030321469. The next prime is 153030321553. The reversal of 153030321532 is 235123030351.

It is a self number, because there is not a number n which added to its sum of digits gives 153030321532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46997857 + ... + 47001112.

It is an arithmetic number, because the mean of its divisors is an integer number (12501863010).

Almost surely, 2^153030321532 is an apocalyptic number.

It is an amenable number.

153030321532 is a deficient number, since it is larger than the sum of its proper divisors (147014390708).

153030321532 is a wasteful number, since it uses less digits than its factorization.

153030321532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93999021 (or 93999019 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 153030321532 its reverse (235123030351), we get a palindrome (388153351883).

The spelling of 153030321532 in words is "one hundred fifty-three billion, thirty million, three hundred twenty-one thousand, five hundred thirty-two".