142235626 has 32 divisors (see below), whose sum is σ = 239500800. Its totient is φ = 62907840.

The previous prime is 142235581. The next prime is 142235627. The reversal of 142235626 is 626532241.

It is a super-2 number, since 2×142235626² = 40461946607223752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (142235627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87045 + ... + 88663.

It is an arithmetic number, because the mean of its divisors is an integer number (7484400).

Almost surely, 2^142235626 is an apocalyptic number.

142235626 is a deficient number, since it is larger than the sum of its proper divisors (97265174).

142235626 is a wasteful number, since it uses less digits than its factorization.

142235626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its digits is 17280, while the sum is 31.

The square root of 142235626 is about 11926.2578372262. The cubic root of 142235626 is about 521.9987497707.

Adding to 142235626 its reverse (626532241), we get a palindrome (768767867).

The spelling of 142235626 in words is "one hundred forty-two million, two hundred thirty-five thousand, six hundred twenty-six".