142458912 has 240 divisors, whose sum is σ = 459392472. Its totient is φ = 43130880.

The previous prime is 142458889. The next prime is 142458913. The reversal of 142458912 is 219854241.

It can be written as a sum of positive squares in 4 ways, for example, as 117418896 + 25040016 = 10836^2 + 5004^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (142458913) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2335362 + ... + 2335422.

Almost surely, 2^142458912 is an apocalyptic number.

142458912 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 142458912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229696236).

142458912 is an abundant number, since it is smaller than the sum of its proper divisors (316933560).

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

142458912 is a wasteful number, since it uses less digits than its factorization.

142458912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 136 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 142458912 is about 11935.6152753011. The cubic root of 142458912 is about 522.2717570302.

The spelling of 142458912 in words is "one hundred forty-two million, four hundred fifty-eight thousand, nine hundred twelve".