155052142 has 16 divisors (see below), whose sum is σ = 274378752. Its totient is φ = 64307160.

The previous prime is 155052097. The next prime is 155052167. The reversal of 155052142 is 241250551.

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, 178198 + ... + 179065.

It is an arithmetic number, because the mean of its divisors is an integer number (17148672).

Almost surely, 2^155052142 is an apocalyptic number.

155052142 is a deficient number, since it is larger than the sum of its proper divisors (119326610).

155052142 is a wasteful number, since it uses less digits than its factorization.

155052142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357303.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 155052142 is about 12451.9934950192. The cubic root of 155052142 is about 537.2287632399.

It can be divided in two parts, 1550 and 52142, that multiplied together give a square (80820100 = 8990²).

The spelling of 155052142 in words is "one hundred fifty-five million, fifty-two thousand, one hundred forty-two".