142275722120 has 32 divisors (see below), whose sum is σ = 365851857600. Its totient is φ = 48780247488.

The previous prime is 142275722093. The next prime is 142275722123. The reversal of 142275722120 is 21227572241.

It is a super-2 number, since 2×142275722120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (142275722123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254063510 + ... + 254064069.

It is an arithmetic number, because the mean of its divisors is an integer number (11432870550).

Almost surely, 2^142275722120 is an apocalyptic number.

142275722120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142275722120 is an abundant number, since it is smaller than the sum of its proper divisors (223576135480).

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

142275722120 is a wasteful number, since it uses less digits than its factorization.

142275722120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508127597 (or 508127593 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The spelling of 142275722120 in words is "one hundred forty-two billion, two hundred seventy-five million, seven hundred twenty-two thousand, one hundred twenty".