155051142 has 64 divisors (see below), whose sum is σ = 333835776. Its totient is φ = 47900160.

The previous prime is 155051137. The next prime is 155051161. The reversal of 155051142 is 241150551.

155051142 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 951153 + ... + 951315.

It is an arithmetic number, because the mean of its divisors is an integer number (5216184).

Almost surely, 2^155051142 is an apocalyptic number.

155051142 is an abundant number, since it is smaller than the sum of its proper divisors (178784634).

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

155051142 is a wasteful number, since it uses less digits than its factorization.

155051142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 155051142 is about 12451.9533407414. The cubic root of 155051142 is about 537.2276082953.

The spelling of 155051142 in words is "one hundred fifty-five million, fifty-one thousand, one hundred forty-two".