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143145012 = 223191933253
BaseRepresentation
bin10001000100000…
…11100000110100
3100222100112001010
420202003200310
5243121120022
622112032220
73355466253
oct1042034064
9328315033
10143145012
117388aa6a
123bb32670
132386b9ba
141502279a
15c87850c
hex8883834

143145012 has 48 divisors (see below), whose sum is σ = 353514560. Its totient is φ = 44955648.

The previous prime is 143145007. The next prime is 143145029. The reversal of 143145012 is 210541341.

It is a self number, because there is not a number n which added to its sum of digits gives 143145012.

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, 42378 + ... + 45630.

Almost surely, 2143145012 is an apocalyptic number.

143145012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143145012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176757280).

143145012 is an abundant number, since it is smaller than the sum of its proper divisors (210369548).

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

143145012 is a wasteful number, since it uses less digits than its factorization.

143145012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472 (or 3470 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 143145012 is about 11964.3224630566. The cubic root of 143145012 is about 523.1088567165.

Adding to 143145012 its reverse (210541341), we get a palindrome (353686353).

The spelling of 143145012 in words is "one hundred forty-three million, one hundred forty-five thousand, twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 193 228 386 579 772 1158 2316 3253 3667 6506 7334 9759 11001 13012 14668 19518 22002 39036 44004 61807 123614 185421 247228 370842 627829 741684 1255658 1883487 2511316 3766974 7533948 11928751 23857502 35786253 47715004 71572506 143145012