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153068142 = 23193143313
BaseRepresentation
bin10010001111110…
…10001001101110
3101200000200000110
421013322021232
5303141140032
623104440450
73536025543
oct1107721156
9350020013
10153068142
11794483a7
1243319126
1325934586
1416486bca
15d6887cc
hex91fa26e

153068142 has 32 divisors (see below), whose sum is σ = 332651520. Its totient is φ = 46776960.

The previous prime is 153068099. The next prime is 153068159. The reversal of 153068142 is 241860351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18123 + ... + 25190.

It is an arithmetic number, because the mean of its divisors is an integer number (10395360).

Almost surely, 2153068142 is an apocalyptic number.

153068142 is an abundant number, since it is smaller than the sum of its proper divisors (179583378).

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

153068142 is a wasteful number, since it uses less digits than its factorization.

153068142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43368.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 153068142 is about 12372.0710473227. The cubic root of 153068142 is about 534.9275145631.

The spelling of 153068142 in words is "one hundred fifty-three million, sixty-eight thousand, one hundred forty-two".

Divisors: 1 2 3 6 19 31 38 57 62 93 114 186 589 1178 1767 3534 43313 86626 129939 259878 822947 1342703 1645894 2468841 2685406 4028109 4937682 8056218 25511357 51022714 76534071 153068142