142074270 has 128 divisors (see below), whose sum is σ = 432190080. Its totient is φ = 32901120.

The previous prime is 142074241. The next prime is 142074281. The reversal of 142074270 is 72470241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58480 + ... + 60860.

It is an arithmetic number, because the mean of its divisors is an integer number (3376485).

Almost surely, 2^142074270 is an apocalyptic number.

142074270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142074270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216095040).

142074270 is an abundant number, since it is smaller than the sum of its proper divisors (290115810).

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

142074270 is a wasteful number, since it uses less digits than its factorization.

142074270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 142074270 is about 11919.4911804154. The cubic root of 142074270 is about 521.8012851767.

The spelling of 142074270 in words is "one hundred forty-two million, seventy-four thousand, two hundred seventy".