142377200402 has 4 divisors (see below), whose sum is σ = 213565800606. Its totient is φ = 71188600200.

The previous prime is 142377200401. The next prime is 142377200419. The reversal of 142377200402 is 204002773241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135851953561 + 6525246841 = 368581^2 + 80779^2 .

It is a super-2 number, since 2×142377200402² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142377200401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35594300099 + ... + 35594300102.

Almost surely, 2^142377200402 is an apocalyptic number.

142377200402 is a deficient number, since it is larger than the sum of its proper divisors (71188600204).

142377200402 is an equidigital number, since it uses as much as digits as its factorization.

142377200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71188600203.

The product of its (nonzero) digits is 18816, while the sum is 32.

Adding to 142377200402 its reverse (204002773241), we get a palindrome (346379973643).

The spelling of 142377200402 in words is "one hundred forty-two billion, three hundred seventy-seven million, two hundred thousand, four hundred two".