155063742 has 8 divisors (see below), whose sum is σ = 310127496. Its totient is φ = 51687912.

The previous prime is 155063687. The next prime is 155063759. The reversal of 155063742 is 247360551.

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

155063742 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12921973 + ... + 12921984.

It is an arithmetic number, because the mean of its divisors is an integer number (38765937).

Almost surely, 2^155063742 is an apocalyptic number.

155063742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155063742 is a wasteful number, since it uses less digits than its factorization.

155063742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25843962.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 155063742 is about 12452.4592751793. The cubic root of 155063742 is about 537.2421602348.

The spelling of 155063742 in words is "one hundred fifty-five million, sixty-three thousand, seven hundred forty-two".