155142874368 has 180 divisors, whose sum is σ = 463453518528. Its totient is φ = 51619783680.

The previous prime is 155142874343. The next prime is 155142874373. The reversal of 155142874368 is 863478241551.

It is a happy number.

155142874368 is a `hidden beast` number, since 1 + 5 + 514 + 2 + 87 + 43 + 6 + 8 = 666.

It is a super-2 number, since 2×155142874368² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11833705 + ... + 11846807.

Almost surely, 2^155142874368 is an apocalyptic number.

155142874368 is a gapful number since it is divisible by the number (18) 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 155142874368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231726759264).

155142874368 is an abundant number, since it is smaller than the sum of its proper divisors (308310644160).

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

155142874368 is an equidigital number, since it uses as much as digits as its factorization.

155142874368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13702 (or 13679 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

It can be divided in two parts, 15514 and 2874368, that added together give a palindrome (2889882).

The spelling of 155142874368 in words is "one hundred fifty-five billion, one hundred forty-two million, eight hundred seventy-four thousand, three hundred sixty-eight".