142426074 has 64 divisors (see below), whose sum is σ = 347037696. Its totient is φ = 38083584.

The previous prime is 142426073. The next prime is 142426079. The reversal of 142426074 is 470624241.

It is not an unprimeable number, because it can be changed into a prime (142426073) 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, 43834 + ... + 46970.

It is an arithmetic number, because the mean of its divisors is an integer number (5422464).

Almost surely, 2^142426074 is an apocalyptic number.

142426074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142426074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173518848).

142426074 is an abundant number, since it is smaller than the sum of its proper divisors (204611622).

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

142426074 is a wasteful number, since it uses less digits than its factorization.

142426074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 142426074 is about 11934.2395652174. The cubic root of 142426074 is about 522.2316245746.

The spelling of 142426074 in words is "one hundred forty-two million, four hundred twenty-six thousand, seventy-four".