142155674 has 8 divisors (see below), whose sum is σ = 216154740. Its totient is φ = 70104096.

The previous prime is 142155667. The next prime is 142155679. The reversal of 142155674 is 476551241.

It can be written as a sum of positive squares in 2 ways, for example, as 129800449 + 12355225 = 11393^2 + 3515^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142155679) 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, 486689 + ... + 486980.

Almost surely, 2^142155674 is an apocalyptic number.

142155674 is a deficient number, since it is larger than the sum of its proper divisors (73999066).

142155674 is an equidigital number, since it uses as much as digits as its factorization.

142155674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973744.

The product of its digits is 33600, while the sum is 35.

The square root of 142155674 is about 11922.9054344988. The cubic root of 142155674 is about 521.9009246160.

The spelling of 142155674 in words is "one hundred forty-two million, one hundred fifty-five thousand, six hundred seventy-four".