153421514012 has 48 divisors (see below), whose sum is σ = 289767989952. Its totient is φ = 70656483840.

The previous prime is 153421514011. The next prime is 153421514023. The reversal of 153421514012 is 210415124351.

It is a happy number.

It is a super-2 number, since 2×153421514012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153421514011) 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, 76824998 + ... + 76826994.

It is an arithmetic number, because the mean of its divisors is an integer number (6036833124).

Almost surely, 2^153421514012 is an apocalyptic number.

It is an amenable number.

153421514012 is a deficient number, since it is larger than the sum of its proper divisors (136346475940).

153421514012 is a wasteful number, since it uses less digits than its factorization.

153421514012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478 (or 4476 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 153421514012 its reverse (210415124351), we get a palindrome (363836638363).

The spelling of 153421514012 in words is "one hundred fifty-three billion, four hundred twenty-one million, five hundred fourteen thousand, twelve".