155142657216 has 336 divisors, whose sum is σ = 461430461440. Its totient is φ = 49816166400.

The previous prime is 155142657161. The next prime is 155142657251. The reversal of 155142657216 is 612756241551.

155142657216 is a `hidden beast` number, since 1 + 5 + 5 + 1 + 426 + 5 + 7 + 216 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 460363800 + ... + 460364136.

Almost surely, 2^155142657216 is an apocalyptic number.

155142657216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155142657216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230715230720).

155142657216 is an abundant number, since it is smaller than the sum of its proper divisors (306287804224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155142657216 is a wasteful number, since it uses less digits than its factorization.

155142657216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 639 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

Adding to 155142657216 its reverse (612756241551), we get a palindrome (767898898767).

The spelling of 155142657216 in words is "one hundred fifty-five billion, one hundred forty-two million, six hundred fifty-seven thousand, two hundred sixteen".