153020520532 has 24 divisors (see below), whose sum is σ = 298345622400. Its totient is φ = 68074892160.

The previous prime is 153020520493. The next prime is 153020520539. The reversal of 153020520532 is 235025020351.

It is a super-4 number, since 4×153020520532⁴ (a number of 46 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 153020520532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153020520539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36995157 + ... + 36999292.

It is an arithmetic number, because the mean of its divisors is an integer number (12431067600).

Almost surely, 2^153020520532 is an apocalyptic number.

It is an amenable number.

153020520532 is a deficient number, since it is larger than the sum of its proper divisors (145325101868).

153020520532 is a wasteful number, since it uses less digits than its factorization.

153020520532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73994511 (or 73994509 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 153020520532 its reverse (235025020351), we get a palindrome (388045540883).

The spelling of 153020520532 in words is "one hundred fifty-three billion, twenty million, five hundred twenty thousand, five hundred thirty-two".