142620254 has 16 divisors (see below), whose sum is σ = 245400576. Its totient is φ = 60895800.

The previous prime is 142620253. The next prime is 142620271. The reversal of 142620254 is 452026241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142620253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15002 + ... + 22589.

It is an arithmetic number, because the mean of its divisors is an integer number (15337536).

Almost surely, 2^142620254 is an apocalyptic number.

142620254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142620254 is a deficient number, since it is larger than the sum of its proper divisors (102780322).

142620254 is a wasteful number, since it uses less digits than its factorization.

142620254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37871.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 142620254 is about 11942.3722099087. The cubic root of 142620254 is about 522.4688491307.

Adding to 142620254 its reverse (452026241), we get a palindrome (594646495).

The spelling of 142620254 in words is "one hundred forty-two million, six hundred twenty thousand, two hundred fifty-four".