142074215 has 4 divisors (see below), whose sum is σ = 170489064. Its totient is φ = 113659368.

The previous prime is 142074211. The next prime is 142074217. The reversal of 142074215 is 512470241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 512470241 = 919 ⋅557639.

It is a cyclic number.

It is not a de Polignac number, because 142074215 - 2² = 142074211 is a prime.

It is a super-3 number, since 3×142074215³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142074211) 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, 14207417 + ... + 14207426.

It is an arithmetic number, because the mean of its divisors is an integer number (42622266).

Almost surely, 2^142074215 is an apocalyptic number.

142074215 is a deficient number, since it is larger than the sum of its proper divisors (28414849).

142074215 is an equidigital number, since it uses as much as digits as its factorization.

142074215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28414848.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 142074215 is about 11919.4888732697. The cubic root of 142074215 is about 521.8012178432.

The spelling of 142074215 in words is "one hundred forty-two million, seventy-four thousand, two hundred fifteen".