142167072 has 24 divisors (see below), whose sum is σ = 373188816. Its totient is φ = 47388992.

The previous prime is 142167059. The next prime is 142167079. The reversal of 142167072 is 270761241.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×142167072² = 40422952722106368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142167079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740358 + ... + 740549.

It is an arithmetic number, because the mean of its divisors is an integer number (15549534).

Almost surely, 2^142167072 is an apocalyptic number.

142167072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142167072 is an abundant number, since it is smaller than the sum of its proper divisors (231021744).

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

142167072 is a wasteful number, since it uses less digits than its factorization.

142167072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480920 (or 1480912 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 142167072 is about 11923.3834124379. The cubic root of 142167072 is about 521.9148728640.

The spelling of 142167072 in words is "one hundred forty-two million, one hundred sixty-seven thousand, seventy-two".