1008155142 has 24 divisors (see below), whose sum is σ = 2205547344. Its totient is φ = 332788464.

The previous prime is 1008155111. The next prime is 1008155147. The reversal of 1008155142 is 2415518001.

1008155142 is a `hidden beast` number, since 100 + 8 + 1 + 551 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008155147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270033 + ... + 273740.

It is an arithmetic number, because the mean of its divisors is an integer number (91897806).

Almost surely, 2^1008155142 is an apocalyptic number.

1008155142 is an abundant number, since it is smaller than the sum of its proper divisors (1197392202).

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

1008155142 is a wasteful number, since it uses less digits than its factorization.

1008155142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543884 (or 543881 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 1008155142 is about 31751.4588956161. The cubic root of 1008155142 is about 1002.7110243718.

The spelling of 1008155142 in words is "one billion, eight million, one hundred fifty-five thousand, one hundred forty-two".