142190655 has 8 divisors (see below), whose sum is σ = 227505072. Its totient is φ = 75835008.

The previous prime is 142190621. The next prime is 142190663. The reversal of 142190655 is 556091241.

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

It is not a de Polignac number, because 142190655 - 2⁹ = 142190143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4739674 + ... + 4739703.

It is an arithmetic number, because the mean of its divisors is an integer number (28438134).

Almost surely, 2^142190655 is an apocalyptic number.

142190655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142190655 is a deficient number, since it is larger than the sum of its proper divisors (85314417).

142190655 is an equidigital number, since it uses as much as digits as its factorization.

142190655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9479385.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 142190655 is about 11924.3723105244. The cubic root of 142190655 is about 521.9437300805.

It can be divided in two parts, 142190 and 655, that added together give a triangular number (142845 = T₅₃₄).

The spelling of 142190655 in words is "one hundred forty-two million, one hundred ninety thousand, six hundred fifty-five".