142077145 has 8 divisors (see below), whose sum is σ = 194848704. Its totient is φ = 97424304.

The previous prime is 142077127. The next prime is 142077163. The reversal of 142077145 is 541770241.

It is an interprime number because it is at equal distance from previous prime (142077127) and next prime (142077163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142077145 - 2²³ = 133688537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2029639 + ... + 2029708.

It is an arithmetic number, because the mean of its divisors is an integer number (24356088).

Almost surely, 2^142077145 is an apocalyptic number.

It is an amenable number.

142077145 is a deficient number, since it is larger than the sum of its proper divisors (52771559).

142077145 is an equidigital number, since it uses as much as digits as its factorization.

142077145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059359.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 142077145 is about 11919.6117805908. The cubic root of 142077145 is about 521.8048048583.

The spelling of 142077145 in words is "one hundred forty-two million, seventy-seven thousand, one hundred forty-five".