155946142 has 8 divisors (see below), whose sum is σ = 255184632. Its totient is φ = 70884600.

The previous prime is 155946107. The next prime is 155946143. The reversal of 155946142 is 241649551.

155946142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155946143) 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, 3544209 + ... + 3544252.

It is an arithmetic number, because the mean of its divisors is an integer number (31898079).

Almost surely, 2^155946142 is an apocalyptic number.

155946142 is a deficient number, since it is larger than the sum of its proper divisors (99238490).

155946142 is a wasteful number, since it uses less digits than its factorization.

155946142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7088474.

The product of its digits is 43200, while the sum is 37.

The square root of 155946142 is about 12487.8397651475. The cubic root of 155946142 is about 538.2593034231.

It can be divided in two parts, 15594 and 6142, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 155946142 in words is "one hundred fifty-five million, nine hundred forty-six thousand, one hundred forty-two".