142326345464240 has 160 divisors (see below), whose sum is σ = 388432786043904. Its totient is φ = 47475054167040.

The previous prime is 142326345464179. The next prime is 142326345464249. The reversal of 142326345464240 is 42464543623241.

It is a happy number.

142326345464240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142326345464240² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142326345464249) 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, 272642357 + ... + 273163883.

Almost surely, 2^{142326345464240} is an apocalyptic number.

142326345464240 is a gapful number since it is divisible by the number (10) 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 142326345464240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194216393021952).

142326345464240 is an abundant number, since it is smaller than the sum of its proper divisors (246106440579664).

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

142326345464240 is a wasteful number, since it uses less digits than its factorization.

142326345464240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534755 (or 534749 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 50.

The spelling of 142326345464240 in words is "one hundred forty-two trillion, three hundred twenty-six billion, three hundred forty-five million, four hundred sixty-four thousand, two hundred forty".