142464721512 has 128 divisors (see below), whose sum is σ = 381937680000. Its totient is φ = 44124512256.

The previous prime is 142464721507. The next prime is 142464721517. The reversal of 142464721512 is 215127464241.

It is an interprime number because it is at equal distance from previous prime (142464721507) and next prime (142464721517).

It is a super-2 number, since 2×142464721512² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142464721517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26831914 + ... + 26837222.

It is an arithmetic number, because the mean of its divisors is an integer number (2983888125).

Almost surely, 2^142464721512 is an apocalyptic number.

142464721512 is a gapful number since it is divisible by the number (12) 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 142464721512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190968840000).

142464721512 is an abundant number, since it is smaller than the sum of its proper divisors (239472958488).

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

142464721512 is a wasteful number, since it uses less digits than its factorization.

142464721512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163 (or 6159 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The spelling of 142464721512 in words is "one hundred forty-two billion, four hundred sixty-four million, seven hundred twenty-one thousand, five hundred twelve".