144142522 has 8 divisors (see below), whose sum is σ = 216952596. Its totient is φ = 71824992.

The previous prime is 144142501. The next prime is 144142601. The reversal of 144142522 is 225241441.

144142522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138086001 + 6056521 = 11751^2 + 2461^2 .

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

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, 122403 + ... + 123574.

Almost surely, 2^144142522 is an apocalyptic number.

144142522 is a deficient number, since it is larger than the sum of its proper divisors (72810074).

144142522 is a wasteful number, since it uses less digits than its factorization.

144142522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246272.

The product of its digits is 2560, while the sum is 25.

The square root of 144142522 is about 12005.9369480270. The cubic root of 144142522 is about 524.3211446502.

Adding to 144142522 its reverse (225241441), we get a palindrome (369383963).

The spelling of 144142522 in words is "one hundred forty-four million, one hundred forty-two thousand, five hundred twenty-two".