142426270 has 16 divisors (see below), whose sum is σ = 292991328. Its totient is φ = 48831840.

The previous prime is 142426253. The next prime is 142426301. The reversal of 142426270 is 72624241.

It is a happy number.

It is a super-2 number, since 2×142426270² = 40570484772225800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017261 + ... + 1017400.

It is an arithmetic number, because the mean of its divisors is an integer number (18311958).

Almost surely, 2^142426270 is an apocalyptic number.

142426270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142426270 is an abundant number, since it is smaller than the sum of its proper divisors (150565058).

142426270 is a wasteful number, since it uses less digits than its factorization.

142426270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034675.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 142426270 is about 11934.2477768815. The cubic root of 142426270 is about 522.2318641313.

The spelling of 142426270 in words is "one hundred forty-two million, four hundred twenty-six thousand, two hundred seventy".