142622530 has 8 divisors (see below), whose sum is σ = 256720572. Its totient is φ = 57049008.

The previous prime is 142622527. The next prime is 142622573. The reversal of 142622530 is 35226241.

It can be written as a sum of positive squares in 2 ways, for example, as 142301041 + 321489 = 11929^2 + 567^2 .

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

It is a super-3 number, since 3×142622530³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142622495 and 142622504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7131117 + ... + 7131136.

Almost surely, 2^142622530 is an apocalyptic number.

142622530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142622530 is a deficient number, since it is larger than the sum of its proper divisors (114098042).

142622530 is a wasteful number, since it uses less digits than its factorization.

142622530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14262260.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 142622530 is about 11942.4675004791. The cubic root of 142622530 is about 522.4716283825.

Adding to 142622530 its reverse (35226241), we get a palindrome (177848771).

It can be divided in two parts, 142622 and 530, that multiplied together give a triangular number (75589660 = T₁₂₂₉₅).

The spelling of 142622530 in words is "one hundred forty-two million, six hundred twenty-two thousand, five hundred thirty".