542512155 has 32 divisors (see below), whose sum is σ = 907223040. Its totient is φ = 276312960.

The previous prime is 542512147. The next prime is 542512163. The reversal of 542512155 is 551215245.

It is an interprime number because it is at equal distance from previous prime (542512147) and next prime (542512163).

It is not a de Polignac number, because 542512155 - 2³ = 542512147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368070 + ... + 369540.

It is an arithmetic number, because the mean of its divisors is an integer number (28350720).

Almost surely, 2^542512155 is an apocalyptic number.

542512155 is a deficient number, since it is larger than the sum of its proper divisors (364710885).

542512155 is a wasteful number, since it uses less digits than its factorization.

542512155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571.

The product of its digits is 10000, while the sum is 30.

The square root of 542512155 is about 23291.8903268927. The cubic root of 542512155 is about 815.5861165826.

The spelling of 542512155 in words is "five hundred forty-two million, five hundred twelve thousand, one hundred fifty-five".