142603667 has 4 divisors (see below), whose sum is σ = 150992136. Its totient is φ = 134215200.

The previous prime is 142603663. The next prime is 142603673. The reversal of 142603667 is 766306241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766306241 = 79 ⋅9700079.

It is a cyclic number.

It is not a de Polignac number, because 142603667 - 2² = 142603663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142603663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4194209 + ... + 4194242.

It is an arithmetic number, because the mean of its divisors is an integer number (37748034).

Almost surely, 2^142603667 is an apocalyptic number.

142603667 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

142603667 is a deficient number, since it is larger than the sum of its proper divisors (8388469).

142603667 is an equidigital number, since it uses as much as digits as its factorization.

142603667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8388468.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 142603667 is about 11941.6777296995. The cubic root of 142603667 is about 522.4485936468.

The spelling of 142603667 in words is "one hundred forty-two million, six hundred three thousand, six hundred sixty-seven".