142602634 has 4 divisors (see below), whose sum is σ = 213903954. Its totient is φ = 71301316.

The previous prime is 142602631. The next prime is 142602637. The reversal of 142602634 is 436206241.

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

It is an interprime number because it is at equal distance from previous prime (142602631) and next prime (142602637).

It can be written as a sum of positive squares in only one way, i.e., 138180025 + 4422609 = 11755^2 + 2103^2 .

It is a super-2 number, since 2×142602634² = 40671022447475912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142602631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35650657 + ... + 35650660.

Almost surely, 2^142602634 is an apocalyptic number.

142602634 is a deficient number, since it is larger than the sum of its proper divisors (71301320).

142602634 is an equidigital number, since it uses as much as digits as its factorization.

142602634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71301319.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 142602634 is about 11941.6344777421. The cubic root of 142602634 is about 522.4473321301.

Adding to 142602634 its reverse (436206241), we get a palindrome (578808875).

The spelling of 142602634 in words is "one hundred forty-two million, six hundred two thousand, six hundred thirty-four".