142622254 has 8 divisors (see below), whose sum is σ = 215296488. Its totient is φ = 70856760.

The previous prime is 142622239. The next prime is 142622269. The reversal of 142622254 is 452226241.

It is an interprime number because it is at equal distance from previous prime (142622239) and next prime (142622269).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142622254² = 40682214672081032, 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226792 + ... + 227419.

It is an arithmetic number, because the mean of its divisors is an integer number (26912061).

Almost surely, 2^142622254 is an apocalyptic number.

142622254 is a deficient number, since it is larger than the sum of its proper divisors (72674234).

142622254 is a wasteful number, since it uses less digits than its factorization.

142622254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454370.

The product of its digits is 7680, while the sum is 28.

The square root of 142622254 is about 11942.4559450726. The cubic root of 142622254 is about 522.4712913570.

Adding to 142622254 its reverse (452226241), we get a palindrome (594848495).

The spelling of 142622254 in words is "one hundred forty-two million, six hundred twenty-two thousand, two hundred fifty-four".