142147630 has 16 divisors (see below), whose sum is σ = 256814784. Its totient is φ = 56648160.

The previous prime is 142147601. The next prime is 142147631. The reversal of 142147630 is 36741241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142147631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23517 + ... + 28936.

It is an arithmetic number, because the mean of its divisors is an integer number (16050924).

Almost surely, 2^142147630 is an apocalyptic number.

142147630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142147630 is a deficient number, since it is larger than the sum of its proper divisors (114667154).

142147630 is a wasteful number, since it uses less digits than its factorization.

142147630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52731.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 142147630 is about 11922.5680958424. The cubic root of 142147630 is about 521.8910803608.

Adding to 142147630 its reverse (36741241), we get a palindrome (178888871).

The spelling of 142147630 in words is "one hundred forty-two million, one hundred forty-seven thousand, six hundred thirty".